Learn how to find a Windows product key for activation, and when you'll use a digital license instead.

Learn how to use and install mobile apps on your Windows 11 PC with the Windows Subsystem for Android™.

Your Phone is now Microsoft Phone Link! Learn more about our recent name change for our PC and Android mobile apps.

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.

Find help and support content for Microsoft Phone Link. Learn time-saving tips and explore how you can use Phone Link to stay productive.

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

If you're making the move to a new PC, you don't have to leave behind your photos, videos, files, and folders. You can bring them all with you to your new PC using one of the following options.

You can resolve problems with Microsoft Authenticator by checking the tips in this article and reviewing some of the known errors.

Create a recovery drive so you can reinstall Windows 10 or Windows 11 in case you experience a major issue such as hardware failure.

Add voting buttons to a message so that recipients can vote; results are tracked automatically in Outlook.