Conda安装Jupyter失败：Python版本冲突问题求助

用Miniconda创建环境时执行了以下命令：

(base) C:\Users\Nabee\data_science\ml>conda create --prefix ./env pandas numpy matplotlib scikit-learn
Retrieving notices: ...working... done
Channels:
 - defaults
Platform: win-64
Collecting package metadata (repodata.json): done
Solving environment: done

随后安装Jupyter时出现错误：

(C:\Users\Nabee\data_science\ml\env) C:\Users\Nabee\data_science\ml>conda install jupyter
Channels:
 - defaults
Platform: win-64
Collecting package metadata (repodata.json): done
Solving environment: - warning  libmamba Added empty dependency for problem type SOLVER_RULE_UPDATE
failed

LibMambaUnsatisfiableError: Encountered problems while solving:
  - package jupyter-1.0.0-py27_4 requires python >=2.7,<2.8.0a0, but none of the providers can be instad
Could not solve for environment specs
The following packages are incompatible
├─ jupyter is installable with the potential options
│  ├─ jupyter 1.0.0 would require
│  │  └─ python >=2.7,<2.8.0a0 , which can be installed;
│  ├─ jupyter 1.0.0 would require
│  │  └─ python >=3.10,<3.11.0a0 , which can be installed;
│  ├─ jupyter 1.0.0 would require
│  │  └─ python >=3.11,<3.12.0a0 , which can be installed;
│  ├─ jupyter 1.0.0 would require
│  │  └─ python >=3.5,<3.6.0a0 , which can be installed;
│  ├─ jupyter 1.0.0 would require
│  │  └─ python >=3.6,<3.7.0a0 , which can be installed;
│  ├─ jupyter 1.0.0 would require
│  │  └─ python >=3.7,<3.8.0a0 , which can be installed;
│  ├─ jupyter 1.0.0 would require
│  │  └─ python >=3.8,<3.9.0a0 , which can be installed;
│  └─ jupyter 1.0.0 would require
│     └─ python >=3.9,<3.10.0a0 , which can be installed;
└─ pin-1 is not installable because it requires
   └─ python 3.12.* , which conflicts with any installable versions previously reported.

Pins seem to be involved in the conflict. Currently pinned specs:
 - python 3.12.* (labeled as 'pin-1')

核心冲突：当前环境固定了Python 3.12版本，而默认频道的Jupyter 1.0.0不支持该版本。

方法一：重新创建兼容环境（推荐） #

直接指定Python 3.11版本（与所有目标包兼容），并一次性安装所有需要的工具：

conda create --prefix ./env python=3.11 pandas numpy matplotlib scikit-learn jupyter

方法二：降级现有环境的Python版本 #

如果不想重建环境，先降级Python到3.11，再安装Jupyter：

1. 执行降级命令：

conda install python=3.11

2. 安装Jupyter：

conda install jupyter

注意：降级Python可能导致已安装的包出现兼容性问题，建议提前备份环境。

方法三：使用conda-forge频道安装兼容3.12的Jupyter #

conda-forge频道的包更新更及时，提供支持Python 3.12的Jupyter版本，执行：

conda install -c conda-forge jupyter

内容的提问来源于stack exchange，提问作者NBL