
Windows allows you to sync settings between PCs where you sign in using the same Microsoft account.Signing in with a Microsoft account stores a record of your successful activation, allowing you to easily restore your activation (no product key required) if you ever have to reinstall Windows.If you turn on BitLocker encryption (Pro and Enterprise editions only), your recovery key is stored in OneDrive, allowing you to retrieve your data if you find yourself locked out. On PCs designed for Windows 10 or Windows 11, signing in with a Microsoft account automatically enables full-disk encryption for the system drive, even on systems running Home edition.

Signing in to your Windows 10 or Windows 11 PC with a Microsoft account offers several distinct benefits:
