Learn how to manage your Microsoft devices. Add, remove, register, or rename a device on your Microsoft account.

Things to try to fix touchpad problems in Windows 10 and 11.

How to freeze panes in Excel to keep rows or columns in your worksheet visible while you scroll, or lock them in place to create multiple worksheet areas.

Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.

See how to find things you've downloaded on your PC.

Enable and disable your touchscreen in Windows 10. In the search box on the taskbar, type device manager, then select Device Manager.

Learn how to change Microsoft account email address or phone number using aliases to sign into your Microsoft account.

If you’ve forgotten your Microsoft account password, learn how to do a password reset online or by using your Xbox console.

Share your calendar in an email. If you don't want to give someone permissions to share your calendar and see updates, you can email a static copy of your calendar for a specific date range.

Install Office 2007. Insert your Office 2007 CD into the drive. If the setup wizard doesn’t start automatically, navigate to the CD drive and click SETUP.EXE.