Learn how to change the refresh rate for your display in Windows to determine how smoothly motion appears on your screen.

Learn how to reinstall Windows on your PC and how activation works after it's installed.

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

Learn why it's important to have a backup, and how Windows Backup can help you keep your files and settings safe.

Learn how to locate and manage your app permissions on Windows devices. Some apps or games need specific permissions to work properly.

In Windows 11, apps don't automatically get added to your desktop. Learn how to pin apps to your desktop or taskbar in Windows 11 or Windows 10.

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.

If you are having trouble with your microphone features, the following information can help you troubleshoot and resolve issues.

Learn how to use Remote Desktop in Windows. On your Windows, Android, or iOS device: Open the Remote Desktop app (available for free from Microsoft Store, Google Play, and the Mac App Store), and add the name of the PC that you want to connect to (from Step 1). Select the remote PC name that you added, and then wait for the connection to complete.

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.