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

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

Discover the latest features in Office 2021, including new ways to create content, manage data, and communicate effectively.

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

Follow these steps to temporarily turn off Defender antivirus protection in Windows Security. Keep in mind that if you do, your device may be vulnerable to threats.

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.

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

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

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.

Erfahren Sie, wie Sie die App „PC-Integritätsprüfung“ verwenden, um die Leistung Ihres Geräts zu verbessern.