GitHub - icicle1133/3ds-Controller: A "Up-To-Date" 3ds homebrew application that lets you use your 3ds as a wireless controller. · GitHub

I'm trying to install this on my pc, but when I type pip install vgamepadit says this:

The Python package manager (pip) can only be used outside of the Python REPL.

Try the 'pip' command in a separate terminal or command prompt.