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.

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.

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.

要创建控制器配置文件，请执行以下操作：. 使用系列 2 控制器，打开 Xbox 配件应用。. 滚动到 Xbox Elite 无线控制器系列 2，然后选择“配置”。. 选择“新建配置文件”，然后为配置文件命名。. 完成后，按 B 按钮 以使更改生效。. 在应用中创建多个配置文件 ...

兑换礼品卡和充值码以进行 Xbox 购买和延长 Xbox 订阅。. 代码的长度为 25 个字符，包括数字和字母，并且采用横竖 5 个字符的 5x5 格式。. 代码可以是你从 Microsoft 或受信任的零售商处购买的数字卡或物理卡。. 请注意，如果帐户的未结余额或付款选项不再有效 ...

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

Post questions, follow discussions and share your knowledge in the Outlook.com Community. You can give feedback by selecting Help from the top menu, then Feedback. If you need help with Outlook.com, you can read our self-help content, or get support via email.

If you need to reinstall Office, select the version you want to install and follow those steps: Microsoft 365, Office 2019, Office 2016, Office 2013, Office 2010, or Office 2007. How to uninstall Office automatically.

Use Microsoft Bluetooth Mouse. Microsoft accessories. Windows 11 Windows 10. The Microsoft Bluetooth Mouse is designed to be your go-to mouse for precise scrolling and navigation. The compact design makes it easy to be productive on the go.

Post questions, follow discussions and share your knowledge in the Outlook.com Community. Learn to add email accounts such as Gmail and Yahoo! Mail to your Outlook.com app so you can view all of your mail from one location.