# Environment set up

**URL:** <https://forum.anaconda.com/t/environment-set-up/108458>\
**Category:** Packages & Environments\
**Created:** [March 2, 2026, 8:29am UTC](https://forum.anaconda.com/t/environment-set-up/108458 "2026-03-02T08:29:04Z")\
**Posts on this page:** 8\
**Page:** 1

<div class="post-metadata">

**Author:** ![Qian1](https://avatars.discourse-cdn.com/v4/letter/q/80bc00/32.png) [@Qian1](https://forum.anaconda.com/u/Qian1)\
**Post date:** [March 2, 2026, 8:29am UTC](https://forum.anaconda.com/t/environment-set-up/108458/1 "2026-03-02T08:29:04Z")

</div>

(base) C:\Users\小明\>conda create --prefix D:\Anaconda3\envs\pytorch\_env python=3.10  
3 channel Terms of Service accepted  
Retrieving notices: done  
Channels:

- [https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge](https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge)
- [Index of /anaconda/pkgs/msys2/ | 清华大学开源软件镜像站 | Tsinghua Open Source Mirror](https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/msys2)
- another chanel(can’t present because of the limit of number of websites)
- defaults  
Platform: win-64  
Collecting package metadata (repodata.json): done  
Solving environment: failed

PackagesNotFoundError: The following packages are not available from current channels:

- python=3.10

---

<div class="post-metadata">

**Author:** ![Tyler\_F\_Anaconda](https://dub1.discourse-cdn.com/anaconda/user_avatar/forum.anaconda.com/tyler_f_anaconda/32/6666_2.png) [@Tyler\_F\_Anaconda](https://forum.anaconda.com/u/Tyler_F_Anaconda)\
**Post date:** [March 2, 2026, 3:43pm UTC](https://forum.anaconda.com/t/environment-set-up/108458/2 "2026-03-02T15:43:08Z")

</div>

Hi — thanks for reporting this.

The `PackagesNotFoundError` for `python=3.10` is almost certainly a channel issue, since multiple versions of Python 3.10 are definitely available on our defaults channel for `win-64`.

A couple of things to check:

Could you share the output of `conda config --show channels` and `conda config --show default_channels`? That will help us see your full channel setup. It looks like you’re using Tsinghua mirrors, and sometimes those mirrors have been filtered which can cause resolution failures like this.

As a quick test, try creating the environment with our channel explicitly:

`conda create --prefix D:\Anaconda3\envs\pytorch_env python=3.10 -c https://repo.anaconda.com/pkgs/main/`

If that works, the issue is with one of your configured mirror channels. If it fails with a connection error, that likely means there’s a network restriction between you and `repo.anaconda.com`, and we can help troubleshoot from there.

You can also run `conda search python` to see which versions of Python are available across all of your configured channels. That can help pinpoint where the gap is.

---

<div class="post-metadata">

**Author:** ![Tyler\_F\_Anaconda](https://dub1.discourse-cdn.com/anaconda/user_avatar/forum.anaconda.com/tyler_f_anaconda/32/6666_2.png) [@Tyler\_F\_Anaconda](https://forum.anaconda.com/u/Tyler_F_Anaconda)\
**Post date:** [March 2, 2026, 3:48pm UTC](https://forum.anaconda.com/t/environment-set-up/108458/3 "2026-03-02T15:48:35Z")

</div>

Also worth flagging that this could be related to issues that are currently being investigated related to [anaconda.org](http://anaconda.org).

You can keep up with status on [Anaconda Status - Increased error rate on anaconda.org](https://anaconda.statuspage.io/incidents/xrj9fkqw4m62)

---

<div class="post-metadata">

**Author:** ![Qian1](https://avatars.discourse-cdn.com/v4/letter/q/80bc00/32.png) [@Qian1](https://forum.anaconda.com/u/Qian1)\
**Post date:** [March 4, 2026, 3:47am UTC](https://forum.anaconda.com/t/environment-set-up/108458/4 "2026-03-04T03:47:21Z")

</div>

Thank you very much for replying. The result is as below, maybe there is something wrong in connection with [repo.anaconda.com](http://repo.anaconda.com). And I wonder if I can download Python through my configured channels. Looking forward to your suggestions.

 ![image](https://europe1.discourse-cdn.com/anaconda/original/2X/b/b20a58fb54f5f0fd867a4750816d589b9469cb2e.jpeg)

(base) C:\Users\魏倩\>conda search python  
3 channel Terms of Service accepted  
Loading channels: done

# Name Version Build Channel

python 2.7.12 0 anaconda/cloud/conda-forge  
python 2.7.12 1 anaconda/cloud/conda-forge  
python 2.7.12 2 anaconda/cloud/conda-forge  
python 2.7.13 1 anaconda/cloud/conda-forge  
python 2.7.13 h1b6d89f\_16 anaconda/pkgs/main  
python 2.7.13 h1b6d89f\_16 pkgs/main  
python 2.7.13 h9912b81\_15 anaconda/pkgs/main  
python 2.7.13 h9912b81\_15 pkgs/main  
python 2.7.13 hb034564\_12 anaconda/pkgs/main  
python 2.7.13 hb034564\_12 pkgs/main  
python 2.7.14 0 anaconda/cloud/conda-forge  
python 2.7.14 1 anaconda/cloud/conda-forge  
python 2.7.14 2 anaconda/cloud/conda-forge  
python 2.7.14 3 anaconda/cloud/conda-forge  
python 2.7.14 4 anaconda/cloud/conda-forge  
python 2.7.14 5 anaconda/cloud/conda-forge  
python 2.7.14 h2765ee6\_18 anaconda/pkgs/main  
python 2.7.14 h2765ee6\_18 pkgs/main  
python 2.7.14 h3e68818\_15 anaconda/pkgs/main  
python 2.7.14 h3e68818\_15 pkgs/main  
python 2.7.14 h4084c39\_22 anaconda/pkgs/main  
python 2.7.14 h4084c39\_22 pkgs/main  
python 2.7.14 h4a10d90\_30 anaconda/pkgs/main  
python 2.7.14 h4a10d90\_30 pkgs/main  
python 2.7.14 h4a10d90\_31 anaconda/pkgs/main  
python 2.7.14 h4a10d90\_31 pkgs/main  
python 2.7.14 h59f5a59\_20 anaconda/pkgs/main  
python 2.7.14 h59f5a59\_20 pkgs/main  
python 2.7.14 h819644d\_16 anaconda/pkgs/main  
python 2.7.14 h819644d\_16 pkgs/main  
python 2.7.14 h8c3f1cb\_23 anaconda/pkgs/main  
python 2.7.14 h8c3f1cb\_23 pkgs/main  
python 2.7.15 0 anaconda/cloud/conda-forge  
python 2.7.15 h2880e7c\_0 anaconda/cloud/conda-forge  
python 2.7.15 h2880e7c\_1001 anaconda/cloud/conda-forge  
python 2.7.15 h2880e7c\_1002 anaconda/cloud/conda-forge  
python 2.7.15 h2880e7c\_1003 anaconda/cloud/conda-forge  
python 2.7.15 h2880e7c\_1004 anaconda/cloud/conda-forge  
python 2.7.15 h2880e7c\_1005 anaconda/cloud/conda-forge  
python 2.7.15 h2880e7c\_1006 anaconda/cloud/conda-forge  
python 2.7.15 h2880e7c\_1008 anaconda/cloud/conda-forge  
python 2.7.15 h2880e7c\_1009 anaconda/cloud/conda-forge  
python 2.7.15 h2880e7c\_1010\_cpython anaconda/cloud/conda-forge  
python 2.7.15 h2880e7c\_1011\_cpython anaconda/cloud/conda-forge  
python 2.7.15 h2880e7c\_2 anaconda/pkgs/main  
python 2.7.15 h2880e7c\_2 pkgs/main  
python 2.7.15 h2880e7c\_3 anaconda/pkgs/main  
python 2.7.15 h2880e7c\_3 pkgs/main  
python 2.7.15 h2880e7c\_4 anaconda/pkgs/main  
python 2.7.15 h2880e7c\_4 pkgs/main  
python 2.7.15 hcb6e200\_15 anaconda/pkgs/main  
python 2.7.15 hcb6e200\_15 pkgs/main  
python 2.7.15 hcb6e200\_5 anaconda/pkgs/main  
python 2.7.15 hcb6e200\_5 pkgs/main  
python 2.7.15 hcb6e200\_7 anaconda/pkgs/main  
python 2.7.15 hcb6e200\_7 pkgs/main  
python 2.7.15 he216670\_0 anaconda/pkgs/main  
python 2.7.15 he216670\_0 pkgs/main  
python 2.7.16 hcb6e200\_0 anaconda/pkgs/main  
python 2.7.16 hcb6e200\_0 pkgs/main  
python 2.7.17 h930f6bb\_0 anaconda/pkgs/main  
python 2.7.17 h930f6bb\_0 pkgs/main  
python 2.7.18 hcb6e200\_0 anaconda/pkgs/main  
python 2.7.18 hcb6e200\_0 pkgs/main  
python 2.7.18 hfb89ab9\_0 anaconda/pkgs/main  
python 2.7.18 hfb89ab9\_0 pkgs/main  
python 3.4.5 0 anaconda/cloud/conda-forge  
python 3.4.5 1 anaconda/cloud/conda-forge  
python 3.4.5 2 anaconda/cloud/conda-forge  
python 3.5.1 0 anaconda/cloud/conda-forge  
python 3.5.1 1 anaconda/cloud/conda-forge  
python 3.5.2 0 anaconda/cloud/conda-forge  
python 3.5.2 1 anaconda/cloud/conda-forge  
python 3.5.2 2 anaconda/cloud/conda-forge  
python 3.5.2 4 anaconda/cloud/conda-forge  
python 3.5.2 5 anaconda/cloud/conda-forge  
python 3.5.3 0 anaconda/cloud/conda-forge  
python 3.5.3 1 anaconda/cloud/conda-forge  
python 3.5.3 2 anaconda/cloud/conda-forge  
python 3.5.3 3 anaconda/cloud/conda-forge  
python 3.5.4 0 anaconda/cloud/conda-forge  
python 3.5.4 1 anaconda/cloud/conda-forge  
python 3.5.4 2 anaconda/cloud/conda-forge  
python 3.5.4 3 anaconda/cloud/conda-forge  
python 3.5.4 h1357f44\_23 anaconda/pkgs/main  
python 3.5.4 h1357f44\_23 pkgs/main  
python 3.5.4 hc495aa9\_21 anaconda/pkgs/main  
python 3.5.4 hc495aa9\_21 pkgs/main  
python 3.5.4 hd3c4935\_11 anaconda/pkgs/main  
python 3.5.4 hd3c4935\_11 pkgs/main  
python 3.5.4 hdec4e59\_20 anaconda/pkgs/main  
python 3.5.4 hdec4e59\_20 pkgs/main  
python 3.5.4 hedc2606\_15 anaconda/pkgs/main  
python 3.5.4 hedc2606\_15 pkgs/main  
python 3.5.5 0 anaconda/cloud/conda-forge  
python 3.5.5 1 anaconda/cloud/conda-forge  
python 3.5.5 h0c2934d\_0 anaconda/pkgs/main  
python 3.5.5 h0c2934d\_0 pkgs/main  
python 3.5.5 h0c2934d\_1 anaconda/pkgs/main  
python 3.5.5 h0c2934d\_1 pkgs/main  
python 3.5.5 h0c2934d\_2 anaconda/pkgs/main  
python 3.5.5 h0c2934d\_2 pkgs/main  
python 3.5.5 he025d50\_2 anaconda/cloud/conda-forge  
python 3.5.6 he025d50\_0 anaconda/pkgs/main  
python 3.5.6 he025d50\_0 pkgs/main  
python 3.6.0a3 0 anaconda/cloud/conda-forge  
python 3.6.0a4 0 anaconda/cloud/conda-forge  
python 3.6.0b1 0 anaconda/cloud/conda-forge  
python 3.6.0b2 0 anaconda/cloud/conda-forge  
python 3.6.0b3 0 anaconda/cloud/conda-forge  
python 3.6.0b4 0 anaconda/cloud/conda-forge  
python 3.6.0rc1 0 anaconda/cloud/conda-forge  
python 3.6.0 0 anaconda/cloud/conda-forge  
python 3.6.0 1 anaconda/cloud/conda-forge  
python 3.6.0 2 anaconda/cloud/conda-forge  
python 3.6.1 0 anaconda/cloud/conda-forge  
python 3.6.1 1 anaconda/cloud/conda-forge  
python 3.6.1 2 anaconda/cloud/conda-forge  
python 3.6.1 3 anaconda/cloud/conda-forge  
python 3.6.2 0 anaconda/cloud/conda-forge  
python 3.6.2 h09676a0\_15 anaconda/pkgs/main  
python 3.6.2 h09676a0\_15 pkgs/main  
python 3.6.2 h6679aeb\_11 anaconda/pkgs/main  
python 3.6.2 h6679aeb\_11 pkgs/main  
python 3.6.3 0 anaconda/cloud/conda-forge  
python 3.6.3 1 anaconda/cloud/conda-forge  
python 3.6.3 2 anaconda/cloud/conda-forge  
python 3.6.3 3 anaconda/cloud/conda-forge  
python 3.6.3 4 anaconda/cloud/conda-forge  
python 3.6.3 h210ce5f\_2 anaconda/pkgs/main  
python 3.6.3 h210ce5f\_2 pkgs/main  
python 3.6.3 h3389d20\_0 anaconda/pkgs/main  
python 3.6.3 h3389d20\_0 pkgs/main  
python 3.6.3 h3b118a2\_4 anaconda/pkgs/main  
python 3.6.3 h3b118a2\_4 pkgs/main  
python 3.6.3 h9e2ca53\_1 anaconda/pkgs/main  
python 3.6.3 h9e2ca53\_1 pkgs/main  
python 3.6.4 0 anaconda/cloud/conda-forge  
python 3.6.4 h0c2934d\_2 anaconda/pkgs/main  
python 3.6.4 h0c2934d\_2 pkgs/main  
python 3.6.4 h0c2934d\_3 anaconda/pkgs/main  
python 3.6.4 h0c2934d\_3 pkgs/main  
python 3.6.4 h6538335\_0 anaconda/pkgs/main  
python 3.6.4 h6538335\_0 pkgs/main  
python 3.6.4 h6538335\_1 anaconda/pkgs/main  
python 3.6.4 h6538335\_1 pkgs/main  
python 3.6.5 0 anaconda/cloud/conda-forge  
python 3.6.5 1 anaconda/cloud/conda-forge  
python 3.6.5 h0c2934d\_0 anaconda/pkgs/main  
python 3.6.5 h0c2934d\_0 pkgs/main  
python 3.6.6 he025d50\_0 anaconda/cloud/conda-forge  
python 3.6.6 hea74fb7\_0 anaconda/pkgs/main  
python 3.6.6 hea74fb7\_0 pkgs/main  
python 3.6.7 h33f27b4\_0 anaconda/pkgs/main  
python 3.6.7 h33f27b4\_0 pkgs/main  
python 3.6.7 h33f27b4\_1 anaconda/pkgs/main  
python 3.6.7 h33f27b4\_1 pkgs/main  
python 3.6.7 h9f7ef89\_2 anaconda/pkgs/main  
python 3.6.7 h9f7ef89\_2 pkgs/main  
python 3.6.7 he025d50\_1002 anaconda/cloud/conda-forge  
python 3.6.7 he025d50\_1004 anaconda/cloud/conda-forge  
python 3.6.7 he025d50\_1005 anaconda/cloud/conda-forge  
python 3.6.7 he025d50\_1006 anaconda/cloud/conda-forge  
python 3.6.7 he025d50\_1008\_cpython anaconda/cloud/conda-forge  
python 3.6.8 h9f7ef89\_0 anaconda/pkgs/main  
python 3.6.8 h9f7ef89\_0 pkgs/main  
python 3.6.8 h9f7ef89\_1 anaconda/pkgs/main  
python 3.6.8 h9f7ef89\_1 pkgs/main  
python 3.6.8 h9f7ef89\_7 anaconda/pkgs/main  
python 3.6.8 h9f7ef89\_7 pkgs/main  
python 3.6.9 h5500b2f\_0 anaconda/pkgs/main  
python 3.6.9 h5500b2f\_0 pkgs/main  
python 3.6.9 he025d50\_0\_cpython anaconda/cloud/conda-forge  
python 3.6.10 h9f7ef89\_0 anaconda/pkgs/main  
python 3.6.10 h9f7ef89\_0 pkgs/main  
python 3.6.10 h9f7ef89\_1 anaconda/pkgs/main  
python 3.6.10 h9f7ef89\_1 pkgs/main  
python 3.6.10 h9f7ef89\_2 anaconda/pkgs/main  
python 3.6.10 h9f7ef89\_2 pkgs/main  
python 3.6.10 he025d50\_1009\_cpython anaconda/cloud/conda-forge  
python 3.6.11 h39d44d4\_3\_cpython anaconda/cloud/conda-forge  
python 3.6.11 h6a66eb0\_2\_cpython anaconda/cloud/conda-forge  
python 3.6.11 h6f26aa1\_2\_cpython anaconda/cloud/conda-forge  
python 3.6.11 h9303ea8\_2\_cpython anaconda/cloud/conda-forge  
python 3.6.12 h39d44d4\_0\_cpython anaconda/cloud/conda-forge  
python 3.6.12 h5500b2f\_2 anaconda/pkgs/main  
python 3.6.12 h5500b2f\_2 pkgs/main  
python 3.6.13 h3758d61\_0 anaconda/pkgs/main  
python 3.6.13 h3758d61\_0 pkgs/main  
python 3.6.13 h39d44d4\_0\_cpython anaconda/cloud/conda-forge  
python 3.6.13 h39d44d4\_1\_cpython anaconda/cloud/conda-forge  
python 3.6.13 h39d44d4\_2\_cpython anaconda/cloud/conda-forge  
python 3.6.15 h39d44d4\_0\_cpython anaconda/cloud/conda-forge  
python 3.7.0 h1ce479f\_0 anaconda/cloud/conda-forge  
python 3.7.0 hc182675\_1 anaconda/cloud/conda-forge  
python 3.7.0 hc182675\_1002 anaconda/cloud/conda-forge  
python 3.7.0 hc182675\_1003 anaconda/cloud/conda-forge  
python 3.7.0 hc182675\_1004 anaconda/cloud/conda-forge  
python 3.7.0 hc182675\_1005 anaconda/cloud/conda-forge  
python 3.7.0 hc182675\_1006 anaconda/cloud/conda-forge  
python 3.7.0 hea74fb7\_0 anaconda/pkgs/main  
python 3.7.0 hea74fb7\_0 pkgs/main  
python 3.7.1 h33f27b4\_3 anaconda/pkgs/main  
python 3.7.1 h33f27b4\_3 pkgs/main  
python 3.7.1 h33f27b4\_4 anaconda/pkgs/main  
python 3.7.1 h33f27b4\_4 pkgs/main  
python 3.7.1 h8c8aaf0\_6 anaconda/pkgs/main  
python 3.7.1 h8c8aaf0\_6 pkgs/main  
python 3.7.1 h9460c21\_1002 anaconda/cloud/conda-forge  
python 3.7.1 h9460c21\_1003 anaconda/cloud/conda-forge  
python 3.7.1 hc182675\_1000 anaconda/cloud/conda-forge  
python 3.7.1 hc182675\_1001 anaconda/cloud/conda-forge  
python 3.7.1 he44a216\_5 anaconda/pkgs/main  
python 3.7.1 he44a216\_5 pkgs/main  
python 3.7.2 h8c8aaf0\_0 anaconda/pkgs/main  
python 3.7.2 h8c8aaf0\_0 pkgs/main  
python 3.7.2 h8c8aaf0\_10 anaconda/pkgs/main  
python 3.7.2 h8c8aaf0\_10 pkgs/main  
python 3.7.2 h8c8aaf0\_2 anaconda/pkgs/main  
python 3.7.2 h8c8aaf0\_2 pkgs/main  
python 3.7.2 hb12ca83\_0 anaconda/cloud/conda-forge  
python 3.7.3 h510b542\_1 anaconda/cloud/conda-forge  
python 3.7.3 h8c8aaf0\_0 anaconda/pkgs/main  
python 3.7.3 h8c8aaf0\_0 pkgs/main  
python 3.7.3 h8c8aaf0\_1 anaconda/pkgs/main  
python 3.7.3 h8c8aaf0\_1 pkgs/main  
python 3.7.3 hb12ca83\_0 anaconda/cloud/conda-forge  
python 3.7.4 h5263a28\_0 anaconda/pkgs/main  
python 3.7.4 h5263a28\_0 pkgs/main  
python 3.7.5 h7840368\_0\_cpython anaconda/cloud/conda-forge  
python 3.7.5 h8c8aaf0\_0 anaconda/pkgs/main  
python 3.7.5 h8c8aaf0\_0 pkgs/main  
python 3.7.6 cpython\_h60c2a47\_6 anaconda/cloud/conda-forge  
python 3.7.6 h5b45d93\_1 anaconda/cloud/conda-forge  
python 3.7.6 h5b45d93\_2 anaconda/cloud/conda-forge  
python 3.7.6 h5b45d93\_3\_cpython anaconda/cloud/conda-forge  
python 3.7.6 h5b45d93\_4\_cpython anaconda/cloud/conda-forge  
python 3.7.6 h60c2a47\_2 anaconda/pkgs/main  
python 3.7.6 h60c2a47\_2 pkgs/main  
python 3.7.6 h60c2a47\_5\_cpython anaconda/cloud/conda-forge  
python 3.7.7 h60c2a47\_0\_cpython anaconda/pkgs/main  
python 3.7.7 h60c2a47\_0\_cpython pkgs/main  
python 3.7.7 h60c2a47\_2 anaconda/pkgs/main  
python 3.7.7 h60c2a47\_2 pkgs/main  
python 3.7.7 h81c818b\_4 anaconda/pkgs/main  
python 3.7.7 h81c818b\_4 pkgs/main  
python 3.7.8 h60c2a47\_0\_cpython anaconda/cloud/conda-forge  
python 3.7.8 h60c2a47\_1\_cpython anaconda/cloud/conda-forge  
python 3.7.8 h7840368\_2\_cpython anaconda/cloud/conda-forge  
python 3.7.8 h7840368\_3\_cpython anaconda/cloud/conda-forge  
python 3.7.9 h60c2a47\_0 anaconda/pkgs/main  
python 3.7.9 h60c2a47\_0 pkgs/main  
python 3.7.9 h7840368\_0\_cpython anaconda/cloud/conda-forge  
python 3.7.9 h7840368\_100\_cpython anaconda/cloud/conda-forge  
python 3.7.10 0\_73\_pypy anaconda/cloud/conda-forge  
python 3.7.10 1\_73\_pypy anaconda/cloud/conda-forge  
python 3.7.10 h6244533\_0 anaconda/pkgs/main  
python 3.7.10 h6244533\_0 pkgs/main  
python 3.7.10 h7840368\_100\_cpython anaconda/cloud/conda-forge  
python 3.7.10 h7840368\_101\_cpython anaconda/cloud/conda-forge  
python 3.7.10 h7840368\_102\_cpython anaconda/cloud/conda-forge  
python 3.7.10 h7840368\_103\_cpython anaconda/cloud/conda-forge  
python 3.7.10 h7840368\_104\_cpython anaconda/cloud/conda-forge  
python 3.7.10 h900ac77\_102\_cpython anaconda/cloud/conda-forge  
python 3.7.10 h900ac77\_103\_cpython anaconda/cloud/conda-forge  
python 3.7.10 h900ac77\_104\_cpython anaconda/cloud/conda-forge  
python 3.7.11 h6244533\_0 anaconda/pkgs/main  
python 3.7.11 h6244533\_0 pkgs/main  
python 3.7.12 0\_73\_pypy anaconda/cloud/conda-forge  
python 3.7.12 h7840368\_100\_cpython anaconda/cloud/conda-forge  
python 3.7.12 h900ac77\_100\_cpython anaconda/cloud/conda-forge  
python 3.7.13 h6244533\_0 anaconda/pkgs/main  
python 3.7.13 h6244533\_0 pkgs/main  
python 3.7.13 h6244533\_1 anaconda/pkgs/main  
python 3.7.13 h6244533\_1 pkgs/main  
python 3.7.15 h6244533\_0 anaconda/pkgs/main  
python 3.7.15 h6244533\_0 pkgs/main  
python 3.7.15 h6244533\_1 anaconda/pkgs/main  
python 3.7.15 h6244533\_1 pkgs/main  
python 3.7.16 h6244533\_0 anaconda/pkgs/main  
python 3.7.16 h6244533\_0 pkgs/main  
python 3.8.0 hc9e8b01\_0 anaconda/cloud/conda-forge  
python 3.8.0 hc9e8b01\_1 anaconda/cloud/conda-forge  
python 3.8.0 hc9e8b01\_2 anaconda/cloud/conda-forge  
python 3.8.0 hc9e8b01\_3 anaconda/cloud/conda-forge  
python 3.8.0 hc9e8b01\_5 anaconda/cloud/conda-forge  
python 3.8.0 hff0d562\_0 anaconda/pkgs/main  
python 3.8.0 hff0d562\_0 pkgs/main  
python 3.8.0 hff0d562\_1 anaconda/pkgs/main  
python 3.8.0 hff0d562\_1 pkgs/main  
python 3.8.0 hff0d562\_2 anaconda/pkgs/main  
python 3.8.0 hff0d562\_2 pkgs/main  
python 3.8.1 h5fd99cc\_1 anaconda/pkgs/main  
python 3.8.1 h5fd99cc\_1 pkgs/main  
python 3.8.1 h5fd99cc\_8\_cpython anaconda/pkgs/main  
python 3.8.1 h5fd99cc\_8\_cpython pkgs/main  
python 3.8.1 he1778fa\_7\_cpython anaconda/pkgs/main  
python 3.8.1 he1778fa\_7\_cpython pkgs/main  
python 3.8.1 he1f5543\_1 anaconda/cloud/conda-forge  
python 3.8.1 he1f5543\_2 anaconda/cloud/conda-forge  
python 3.8.2 h5fd99cc\_0 anaconda/pkgs/main  
python 3.8.2 h5fd99cc\_0 pkgs/main  
python 3.8.2 h5fd99cc\_11 anaconda/pkgs/main  
python 3.8.2 h5fd99cc\_11 pkgs/main  
python 3.8.2 h5fd99cc\_4\_cpython anaconda/cloud/conda-forge  
python 3.8.2 h5fd99cc\_5\_cpython anaconda/cloud/conda-forge  
python 3.8.2 h5fd99cc\_6\_cpython anaconda/cloud/conda-forge  
python 3.8.2 h5fd99cc\_7\_cpython anaconda/cloud/conda-forge  
python 3.8.2 he1778fa\_13 anaconda/pkgs/main  
python 3.8.2 he1778fa\_13 pkgs/main  
python 3.8.3 cpython\_h5fd99cc\_0 anaconda/cloud/conda-forge  
python 3.8.3 he1778fa\_0 anaconda/pkgs/main  
python 3.8.3 he1778fa\_0 pkgs/main  
python 3.8.3 he1778fa\_2 anaconda/pkgs/main  
python 3.8.3 he1778fa\_2 pkgs/main  
python 3.8.4 cpython\_h5fd99cc\_0 anaconda/cloud/conda-forge  
python 3.8.5 cpython\_h5fd99cc\_0 anaconda/cloud/conda-forge  
python 3.8.5 h5fd99cc\_1 anaconda/pkgs/main  
python 3.8.5 h5fd99cc\_1 pkgs/main  
python 3.8.5 h5fd99cc\_1\_cpython anaconda/cloud/conda-forge  
python 3.8.5 h5fd99cc\_2\_cpython anaconda/cloud/conda-forge  
python 3.8.5 h60c2a47\_6\_cpython anaconda/cloud/conda-forge  
python 3.8.5 h60c2a47\_7\_cpython anaconda/cloud/conda-forge  
python 3.8.5 h60c2a47\_8\_cpython anaconda/cloud/conda-forge  
python 3.8.5 h60c2a47\_9\_cpython anaconda/cloud/conda-forge  
python 3.8.5 he1778fa\_0 anaconda/pkgs/main  
python 3.8.5 he1778fa\_0 pkgs/main  
python 3.8.6 h60c2a47\_0\_cpython anaconda/cloud/conda-forge  
python 3.8.6 h7840368\_1\_cpython anaconda/cloud/conda-forge  
python 3.8.6 h7840368\_2\_cpython anaconda/cloud/conda-forge  
python 3.8.6 h7840368\_3\_cpython anaconda/cloud/conda-forge  
python 3.8.6 h7840368\_4\_cpython anaconda/cloud/conda-forge  
python 3.8.6 h7840368\_5\_cpython anaconda/cloud/conda-forge  
python 3.8.8 h7840368\_0\_cpython anaconda/cloud/conda-forge  
python 3.8.8 hdbf39b2\_4 anaconda/pkgs/main  
python 3.8.8 hdbf39b2\_4 pkgs/main  
python 3.8.8 hdbf39b2\_5 anaconda/pkgs/main  
python 3.8.8 hdbf39b2\_5 pkgs/main  
python 3.8.10 h7840368\_0\_cpython anaconda/cloud/conda-forge  
python 3.8.10 h7840368\_1\_cpython anaconda/cloud/conda-forge  
python 3.8.10 h7840368\_2\_cpython anaconda/cloud/conda-forge  
python 3.8.10 hdbf39b2\_7 anaconda/pkgs/main  
python 3.8.10 hdbf39b2\_7 pkgs/main  
python 3.8.11 h6244533\_1 anaconda/pkgs/main  
python 3.8.11 h6244533\_1 pkgs/main  
python 3.8.12 0\_73\_pypy anaconda/cloud/conda-forge  
python 3.8.12 h6244533\_0 anaconda/pkgs/main  
python 3.8.12 h6244533\_0 pkgs/main  
python 3.8.12 h7840368\_0\_cpython anaconda/cloud/conda-forge  
python 3.8.12 h7840368\_1\_cpython anaconda/cloud/conda-forge  
python 3.8.12 h7840368\_2\_cpython anaconda/cloud/conda-forge  
python 3.8.12 h900ac77\_1\_cpython anaconda/cloud/conda-forge  
python 3.8.12 h900ac77\_2\_cpython anaconda/cloud/conda-forge  
python 3.8.13 0\_73\_pypy anaconda/cloud/conda-forge  
python 3.8.13 h6244533\_0 anaconda/pkgs/main  
python 3.8.13 h6244533\_0 pkgs/main  
python 3.8.13 h6244533\_1 anaconda/pkgs/main  
python 3.8.13 h6244533\_1 pkgs/main  
python 3.8.13 h9a09f29\_0\_cpython anaconda/cloud/conda-forge  
python 3.8.13 hcf16a7b\_0\_cpython anaconda/cloud/conda-forge  
python 3.8.14 h0269646\_0\_cpython anaconda/cloud/conda-forge  
python 3.8.14 h4de0772\_0\_cpython anaconda/cloud/conda-forge  
python 3.8.15 h0269646\_0\_cpython anaconda/cloud/conda-forge  
python 3.8.15 h4de0772\_0\_cpython anaconda/cloud/conda-forge  
python 3.8.15 h4de0772\_1\_cpython anaconda/cloud/conda-forge  
(due to the word limit,I can’t list it all)

---

<div class="post-metadata">

**Author:** ![Tyler\_F\_Anaconda](https://dub1.discourse-cdn.com/anaconda/user_avatar/forum.anaconda.com/tyler_f_anaconda/32/6666_2.png) [@Tyler\_F\_Anaconda](https://forum.anaconda.com/u/Tyler_F_Anaconda)\
**Post date:** [March 4, 2026, 3:25pm UTC](https://forum.anaconda.com/t/environment-set-up/108458/5 "2026-03-04T15:25:11Z")

</div>

Thanks for sharing those details — this helps narrow things down.

Before we go further, could you run this:

`conda search python=3.10`

Your earlier `conda search python` output was cut off by the forum text limit, so we couldn’t see whether Python 3.10 is available from your configured channels. Filtering to `python=3.10` will keep the output short enough to post here.

**If that returns results** , it means Python 3.10 is available from your channels but something in the solver is preventing it from being installed. We can troubleshoot from there.

**If that returns no results** , it means none of your currently configured channels are serving Python 3.10. In that case, try this:

`conda create --prefix D:\Anaconda3\envs\pytorch_env python=3.10 -c https://repo.anaconda.com/pkgs/main/ --override-channels`

A note on why this is different from what you tried before: when you used the `-c` flag on its own, it added `repo.anaconda.com/pkgs/main` to your existing channels but didn’t remove them. That’s why you still saw all of the Tsinghua mirrors in the channel list. The `--override-channels` flag tells conda to ignore your configured channels entirely and only use the one you specify. This lets us test whether `repo.anaconda.com` is reachable from your network and whether Python 3.10 can be installed from it directly.

Also — are you required to use the Tsinghua mirrors due to network restrictions? If your network blocks access to `repo.anaconda.com`, the above command won’t work, and we’d need to focus on why the mirrors aren’t serving Python 3.10 instead. This would likely need to include the team that owns the mirroring process.

---

<div class="post-metadata">

**Author:** ![Qian1](https://avatars.discourse-cdn.com/v4/letter/q/80bc00/32.png) [@Qian1](https://forum.anaconda.com/u/Qian1)\
**Post date:** [March 5, 2026, 4:46am UTC](https://forum.anaconda.com/t/environment-set-up/108458/6 "2026-03-05T04:46:58Z")

</div>

Thank you very much! I got result as below, what can I do? And I don’t need to use Tsinghua channels necessarily.I use the original Anaconda’s channels and it didn‘t work. So I change the channels to solve it, but they both didn‘t work and show Solving environment: failed. Thank you very much for help!

(base) C:\Users\魏倩\>conda search python=3.10  
3 channel Terms of Service accepted  
Loading channels: done

# Name Version Build Channel

python 3.10.0 h96c0403\_3 anaconda/pkgs/main  
python 3.10.0 h96c0403\_3 pkgs/main  
python 3.10.0 h9a09f29\_0\_cpython anaconda/cloud/conda-forge  
python 3.10.0 h9a09f29\_1\_cpython anaconda/cloud/conda-forge  
python 3.10.0 h9a09f29\_2\_cpython anaconda/cloud/conda-forge  
python 3.10.0 h9a09f29\_3\_cpython anaconda/cloud/conda-forge  
python 3.10.0 hbb2ffb3\_0 anaconda/pkgs/main  
python 3.10.0 hbb2ffb3\_0 pkgs/main  
python 3.10.0 hbb2ffb3\_1 anaconda/pkgs/main  
python 3.10.0 hbb2ffb3\_1 pkgs/main  
python 3.10.0 hbb2ffb3\_2 anaconda/pkgs/main  
python 3.10.0 hbb2ffb3\_2 pkgs/main  
python 3.10.0 hcf16a7b\_0\_cpython anaconda/cloud/conda-forge  
python 3.10.0 hcf16a7b\_1\_cpython anaconda/cloud/conda-forge  
python 3.10.0 hcf16a7b\_2\_cpython anaconda/cloud/conda-forge  
python 3.10.0 hcf16a7b\_3\_cpython anaconda/cloud/conda-forge  
python 3.10.1 h9a09f29\_0\_cpython anaconda/cloud/conda-forge  
python 3.10.1 h9a09f29\_1\_cpython anaconda/cloud/conda-forge  
python 3.10.1 h9a09f29\_2\_cpython anaconda/cloud/conda-forge  
python 3.10.1 hcf16a7b\_0\_cpython anaconda/cloud/conda-forge  
python 3.10.1 hcf16a7b\_1\_cpython anaconda/cloud/conda-forge  
python 3.10.1 hcf16a7b\_2\_cpython anaconda/cloud/conda-forge  
python 3.10.2 h9a09f29\_0\_cpython anaconda/cloud/conda-forge  
python 3.10.2 h9a09f29\_1\_cpython anaconda/cloud/conda-forge  
python 3.10.2 h9a09f29\_2\_cpython anaconda/cloud/conda-forge  
python 3.10.2 h9a09f29\_3\_cpython anaconda/cloud/conda-forge  
python 3.10.2 h9a09f29\_4\_cpython anaconda/cloud/conda-forge  
python 3.10.2 hcf16a7b\_0\_cpython anaconda/cloud/conda-forge  
python 3.10.2 hcf16a7b\_1\_cpython anaconda/cloud/conda-forge  
python 3.10.2 hcf16a7b\_2\_cpython anaconda/cloud/conda-forge  
python 3.10.2 hcf16a7b\_3\_cpython anaconda/cloud/conda-forge  
python 3.10.2 hcf16a7b\_4\_cpython anaconda/cloud/conda-forge  
python 3.10.3 hbb2ffb3\_5 anaconda/pkgs/main  
python 3.10.3 hbb2ffb3\_5 pkgs/main  
python 3.10.4 h9a09f29\_0\_cpython anaconda/cloud/conda-forge  
python 3.10.4 hbb2ffb3\_0 anaconda/pkgs/main  
python 3.10.4 hbb2ffb3\_0 pkgs/main  
python 3.10.4 hcf16a7b\_0\_cpython anaconda/cloud/conda-forge  
python 3.10.5 h9a09f29\_0\_cpython anaconda/cloud/conda-forge  
python 3.10.5 hcf16a7b\_0\_cpython anaconda/cloud/conda-forge  
python 3.10.6 h9a09f29\_0\_cpython anaconda/cloud/conda-forge  
python 3.10.6 hbb2ffb3\_0 anaconda/pkgs/main  
python 3.10.6 hbb2ffb3\_0 pkgs/main  
python 3.10.6 hbb2ffb3\_1 anaconda/pkgs/main  
python 3.10.6 hbb2ffb3\_1 pkgs/main  
python 3.10.6 hcf16a7b\_0\_cpython anaconda/cloud/conda-forge  
python 3.10.7 h0269646\_0\_cpython anaconda/cloud/conda-forge  
python 3.10.7 h4de0772\_0\_cpython anaconda/cloud/conda-forge  
python 3.10.8 h0269646\_0\_cpython anaconda/cloud/conda-forge  
python 3.10.8 h4de0772\_0\_cpython anaconda/cloud/conda-forge  
python 3.10.8 h966fe2a\_1 anaconda/pkgs/main  
python 3.10.8 h966fe2a\_1 pkgs/main  
python 3.10.8 hbb2ffb3\_0 anaconda/pkgs/main  
python 3.10.8 hbb2ffb3\_0 pkgs/main  
python 3.10.9 h4de0772\_0\_cpython anaconda/cloud/conda-forge  
python 3.10.9 h966fe2a\_0 anaconda/pkgs/main  
python 3.10.9 h966fe2a\_0 pkgs/main  
python 3.10.9 h966fe2a\_1 anaconda/pkgs/main  
python 3.10.9 h966fe2a\_1 pkgs/main  
python 3.10.9 h966fe2a\_2 anaconda/pkgs/main  
python 3.10.9 h966fe2a\_2 pkgs/main  
python 3.10.10 h4de0772\_0\_cpython anaconda/cloud/conda-forge  
python 3.10.10 h966fe2a\_2 anaconda/pkgs/main  
python 3.10.10 h966fe2a\_2 pkgs/main  
python 3.10.11 h4de0772\_0\_cpython anaconda/cloud/conda-forge  
python 3.10.11 h966fe2a\_2 anaconda/pkgs/main  
python 3.10.11 h966fe2a\_2 pkgs/main  
python 3.10.11 he1021f5\_3 anaconda/pkgs/main  
python 3.10.11 he1021f5\_3 pkgs/main  
python 3.10.12 h4de0772\_0\_cpython anaconda/cloud/conda-forge  
python 3.10.12 h966fe2a\_0 anaconda/pkgs/main  
python 3.10.12 h966fe2a\_0 pkgs/main  
python 3.10.12 he1021f5\_0 anaconda/pkgs/main  
python 3.10.12 he1021f5\_0 pkgs/main  
python 3.10.13 h4de0772\_0\_cpython anaconda/cloud/conda-forge  
python 3.10.13 h4de0772\_1\_cpython anaconda/cloud/conda-forge  
python 3.10.13 h966fe2a\_0 anaconda/pkgs/main  
python 3.10.13 h966fe2a\_0 pkgs/main  
python 3.10.13 he1021f5\_0 anaconda/pkgs/main  
python 3.10.13 he1021f5\_0 pkgs/main  
python 3.10.14 h4de0772\_0\_cpython anaconda/cloud/conda-forge  
python 3.10.14 he1021f5\_0 anaconda/pkgs/main  
python 3.10.14 he1021f5\_0 pkgs/main  
python 3.10.14 he1021f5\_1 anaconda/pkgs/main  
python 3.10.14 he1021f5\_1 pkgs/main  
python 3.10.15 h4607a30\_1 anaconda/pkgs/main  
python 3.10.15 h4607a30\_1 pkgs/main  
python 3.10.15 hfaddaf0\_0\_cpython anaconda/cloud/conda-forge  
python 3.10.15 hfaddaf0\_1\_cpython anaconda/cloud/conda-forge  
python 3.10.15 hfaddaf0\_2\_cpython anaconda/cloud/conda-forge  
python 3.10.16 h37870fc\_1\_cpython anaconda/cloud/conda-forge  
python 3.10.16 h4607a30\_1 anaconda/pkgs/main  
python 3.10.16 h4607a30\_1 pkgs/main  
python 3.10.16 hfdde91d\_2\_cpython anaconda/cloud/conda-forge  
python 3.10.16 hfdde91d\_3\_cpython anaconda/cloud/conda-forge  
python 3.10.17 h8c5b53a\_0\_cpython anaconda/cloud/conda-forge  
python 3.10.18 h8c5b53a\_0\_cpython anaconda/cloud/conda-forge  
python 3.10.18 h981015d\_0 anaconda/pkgs/main  
python 3.10.18 h981015d\_0 pkgs/main  
python 3.10.19 h981015d\_0 anaconda/pkgs/main  
python 3.10.19 h981015d\_0 pkgs/main  
python 3.10.19 hc20f281\_2\_cpython anaconda/cloud/conda-forge  
python 3.10.19 hc20f281\_3\_cpython anaconda/cloud/conda-forge  
python 3.10.19 hcb012bd\_1\_cpython anaconda/cloud/conda-forge

(base) C:\Users\魏倩\>

---

<div class="post-metadata">

**Author:** ![Tyler\_F\_Anaconda](https://dub1.discourse-cdn.com/anaconda/user_avatar/forum.anaconda.com/tyler_f_anaconda/32/6666_2.png) [@Tyler\_F\_Anaconda](https://forum.anaconda.com/u/Tyler_F_Anaconda)\
**Post date:** [March 5, 2026, 6:17pm UTC](https://forum.anaconda.com/t/environment-set-up/108458/7 "2026-03-05T18:17:31Z")

</div>

Python 3.10 is definitely available from your channels, so the issue isn’t with missing packages.

The `PackagesNotFoundError` you saw earlier is very odd behavior given than the packages are available through conda search. Given we have not been able to reproduce this, diagnosing the issue further is going to require some more detailed back-and-forth that’s better suited to a support ticket or a github issue than our forum.

If you are a current customer, I’d recommend opening a ticket with our support team at [https://support.anaconda.com/](https://support.anaconda.com/) — include the output of `conda info` and the full error from your original `conda create` command. That will let the support team work through the issue directly with you.

You can also file an issue on the conda GitHub project at [https://github.com/conda/conda/issues](https://github.com/conda/conda/issues) regardless of whether you are a customer or not. The same detail would be helpful there for the team to diagnose.

---

<div class="post-metadata">

**Author:** ![nora3](https://dub1.discourse-cdn.com/anaconda/user_avatar/forum.anaconda.com/nora3/32/6643_2.png) [@nora3](https://forum.anaconda.com/u/nora3)\
**Post date:** [April 2, 2026, 8:16am UTC](https://forum.anaconda.com/t/environment-set-up/108458/8 "2026-04-02T08:16:15Z")

</div>

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