Activation helps verify that your copy of Windows is genuine and hasn’t been used on more devices than the Microsoft Software License Terms allow. This article will help you troubleshoot and fix common activation errors in Windows. For help finding your product key, see Find your Windows product key.

Find solutions to common problems or get help from a support agent. By pressing submit, your feedback will be used to improve Microsoft products and services. Learn how to use the Activation troubleshooter to resolve common activation issues in Windows.

Command Prompt and Windows Powershell for Windows 11. In Windows 11 22H2, the default app used to host console windows has been changed to Windows Terminal. After the October 2022 update, Command Prompt, Windows PowerShell, and other console apps will appear inside an instance of Windows Terminal.

For technical support, go to Contact Microsoft Support, enter your problem and select Get Help. If you still need help, select Contact Support to be routed to the best support option. Learn how to manage your Microsoft account security info and troubleshoot verification code issues.

Turn on standard BitLocker encryption. Sign in to your Windows device with an administrator account (you may have to sign out and back in to switch accounts). For more info, see Create a local or administrator account in Windows.

With a USB-C connection, you can charge your Windows 11 PC, and you can also connect to other USB Type-C devices such as mobile phones, docking stations, display adapters, and other devices that have a USB-C port. Unfortunately, some combinations of hardware and software may cause problems. If this happens, you may get a notification that there ...

在云游戏期间遇到的大多数音频和视频问题是由网络连接问题引起。. 为了获得最佳云游戏体验，请确保设备和网络满足最低系统要求。. 有关详细信息，请参阅：. 设置用于云游戏的 Android 设备. 为了提高网络性能，请记住以下事项：. 如果无线连接设备时，请 ...

Go to Settings > Apps > Apps & features to change whether you're shown app recommendations when trying to install apps from outside the Store.

You are receiving this message because the Memory Integrity setting in Windows Security is preventing a driver from loading on your device. Here are a few options you can try if you want to be able to use this driver:

There are several ways to use your mouse to Snap in Windows: button in the app you'd like to Snap. The Snap layout box will display automatically. Select the Snap layout you'd like to use from the layout box. Use Snap Assist to fill the layout with other apps you'd like to Snap together.