Virtual environment related

it is necessary to do before installing jupyter netbook, or i can do it after installing jupyter.

If you download Jupyter after creating virtual environment then it will be downloaded in the virtual environment itself.
If you download Jupyter before creating virtual environment then it will be downloaded in the global system.

I have install it in global then all my files is stored in global scope??

By default they would be stored in your ‘users’ folder.

Can i change the drive like other than C??

Yes, you can store it anywhere you want.

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