To activate Windows, you'll need either a digital license or a product key. To find out which you need, see "What activation method do I use, product key or digital license?" in Activate Windows. Then, …

Xbox Support ... Xbox Support

Select the Start button, then Power > Restart.

Adding or registering a device to your Microsoft account helps you see its warranty status, get support, or request service. You can also find or lock it if it's lost. Select Register device to continue. Enter …

For Microsoft 365 and Office 2021 - Download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac. For Office 2019, 2016 or 2013 - Download and install or reinstall Office 2019, Office …

Windows provides several recovery tools to help you troubleshoot and restore your PC when issues occur, such as startup failures, update problems, or malware infections. If you're having problems …

To check your account status or reactivate your account, go to the Microsoft services account reset page page and follow the on-screen instructions. See also More fixes for recent OneDrive issues. …

Learn how to reopen your Microsoft account if you previously closed it.

Oct 14, 2025 · Learn how to enable virtualization through the UEFI (or BIOS) of your PC to run the Windows Subsystem for Android or Windows Subsystem for Linux.

Oct 14, 2025 · If you don't see Office after doing a Windows Recovery, you can reinstall Office using the steps in the ReadMe file copied to your desktop after the recovery completed or sign in to your My …

Use your Microsoft account to sign in to Microsoft services like Windows, Microsoft 365, OneDrive, Skype, Outlook, and Xbox Live.