do any pc players run One Drive on their windows pc?.

It comes standard and enabled by default (and will ask you every so often if you want to use it.) People can force uninstall it by using this: https://superuser.com/questions/1201530/windows10-how-do-i-uninstall-onedrive-app-via-powershell/1203340

OneDrive should never be used to backup your entire system (including games/programs), ever.