If you want to remap your keyboard keys or mouse buttons to certain keys, use "Input Remapper" by sezanzeb. It's VERY simple, it has a GUI, and it just WORKS. I just
Remap your mouse buttons on Windows - gHacks Tech News
Key Remapper Download - Access and remap keys
Mouse · reWASD help guide
Remap mouse buttons and scroll wheel in Windows 11 : r/Windows10HowTo