Locate your product key for Windows 10 or Windows 11. Depending on how you got your copy of Windows 10 or Windows 11, you'll need either a 25-character product key or a digital license to activate it. A digital license (called a digital entitlement in Windows 10, Version 1511) is a method of activation in Windows 10 and Windows 11 that doesn't ...

Create Windows 11 installation media. On the Windows 11 software download page , select Create tool now and follow the instructions to install Windows 11. Warning: Microsoft recommends against installing Windows 11 on a device that does not meet the Windows 11 minimum system requirements.

Select Start > Settings > Windows Update > Check for updates and then install any available updates. If the problems aren't all resolved, try running the troubleshooter again to check for additional errors, or see Fix Windows Update errors and follow the troubleshooting steps.

If you can't sign into your Microsoft account, most issues can be identified by our sign-in helper tool. The tool will ask you to enter the email address or mobile phone number you're trying to sign in with and check the details you provide. If we detect a problem with your account, we'll tell you what you need to do to solve the problem.

获取有关损坏或不可读代码的帮助. 如果无法读取数字代码的全部 25 个字符，则需要通过联系 aka.ms/contactxboxsupport 请求替换代码。. 联系支持人员时，请确保提供购买证明、序列号和损坏代码的图片。. 注意 请拍摄卡片正面和背面的图片，或拍摄打印代码的收据 ...

Report a scam. If you feel like you’ve been the target of a technical support scam, you can help Microsoft stop cybercriminals by reporting it. Learn more about avoiding technical support scams. Provides information for avoiding and reporting Microsoft technical support scams.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

If you're having problems with Windows 11 on your PC or you want a fresh copy of Windows 11 without the clutter of old files or apps, you can reinstall Windows 11 to try and fix your issues and return your PC to a cleaner state.

Pair your mouse with Bluetooth. Turn on your mouse, then follow the instructions to pair it to your PC: Press and hold the pair button on the bottom of the mouse until the LED light starts to flash (about 5 seconds). On your Windows 11 PC, select Connect if a notification appears for your mouse, then wait for it to get set up.

The update is named Feature Update to Windows 10, version 22H2. This update is only available through the other release channels. Prerequisites. Before updating to Windows 10, version 22H2 using an enablement package, you must be running Windows 10, version 2004, 20H2, or 21H1.