Windows automatically reactivates when you log back into a clean OS install. 🔗 Linking Windows 10 to Your Microsoft Account Open Settings > Update & Security > Activation . Look for the status message.
Some optional updates and patches are withheld by Microsoft. Method 1: Activate During or After Installation activate windows 10
: If you bought a PC with Windows 10 pre-installed, the key is embedded in the BIOS/UEFI – it should auto-activate after a clean install of the correct edition. If not, run the Troubleshooter first. Windows automatically reactivates when you log back into