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

Find your product key to activate Windows. A product key is a 25-character code that's used to activate Windows and helps verify that Windows hasn't been used on more PCs than the Microsoft Software License Terms allow.

Learn how to troubleshoot when the camera is not working in Windows or you see errors 0xA00F4244 or 0x200F4244.

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

Learn how to download, install, and configure additional language packs for your version of Windows.

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

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

Set the region, device language, and spoken language for your products and services.

Learn how to use the taskbar features in Windows. Hide the taskbar, pin an app, change the location, and more with taskbar settings.