Anaconda安装验证遇问题：CMD输入jupiter --version报错求解决

安全阿岳

2026-5-25

Fixing the 'jupiter' is not recognized Error for Anaconda/Jupyter

Hey there, let's get this sorted out quickly—your issue is almost certainly a simple typo first, but I'll cover all possible fixes just in case:

First, correct the command spelling: You typed jupiter --version, but the proper command is jupyter --version (note the extra 'y' in Jupyter). Run that corrected command first, and it should show your version if everything else is set up right.
If the corrected command still fails, activate your Anaconda environment:
- The easiest way is to open the Anaconda Prompt (not a regular Command Prompt) that comes with your Anaconda installation—it automatically loads all the necessary environment variables for Anaconda tools.
- If you want to use a regular CMD, run conda activate base first to activate the default Anaconda environment, then try jupyter --version again.
Check if Jupyter is installed: While Anaconda typically includes Jupyter by default, it might have been skipped during installation. Run conda install jupyter in your activated Anaconda environment to install it if needed.
Verify your system PATH (for regular CMD access): If you want to use Jupyter directly in a regular Command Prompt without activating the environment every time, add the Anaconda Scripts folder to your system PATH. This folder is usually located at C:\Users\[Your Username]\anaconda3\Scripts (adjust the path to match your installation). After adding it, restart your CMD window for the changes to take effect.