You can add any custom folder under This PC in File Explorer in Windows 11/10 by editing the Registry by following this tutorial.

Google Drive is a handy place to store your data, and it comes with a regular Gmail account. You can get more out of it by tying it to Windows File Explorer.

You can add the User Profile folder to Navigation Pane of File Explorer in Windows 11/10 using a Registry trick or Ultimate Windows Tweaker.