To Install fetchcord, run python -m pip install fetchcord neofetch-win
Alternatively, you can use the neofetch package from scoop as well (show more info at the expense of possible GPU detection, for now).
Ensure that you have Python Installed & Added to PATH (you do this from the installer, or it can be done manually) - this should ensure that this command works just out of the box as is. Ensure you also install neofetch-win (this can also be done through pip) as it is a dependency to make Fetchcord work.
Once installed, simply run fetchcord.