The folder "Wolfram Mathematica" is probably used for saving files.But each time I renamed or deleted it and then ran mma,mma was bound to automatically create the previous folder "Wolfram Mathematica".
Related info:
- OS:Windows 10 Home 19043.1466
- MMA:Wolfram Mathematica 12.3.1
- The folder path:"C:\Users\Charles\Documents\Wolfram Mathematica"