OneDrive is installed (by default) on Windows 11/10, so you can use OneDrive without doing anything. However, if you have uninstalled (deleted) OneDrive for some reason, you need to reinstall OneDrive using the method introduced here. How to uninstall (delete) OneDrive – Windows 11/10
Reinstall deleted OneDrive
OneDrive download
Install OneDrive
Sign in to OneDrive
- See here for details on how to set up (sign in). I tried using OneDrive (sign in / sign out) – Windows 11/10
OneDrive-related articles
How to use Windows 11/10
Summary of Windows 11 settings and usage Summary of Windows 10 settings and usage