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.

Tech support scams adapt and persist in 2021, per new Microsoft research. How to spot a "fake order" scam. Microsoft security help & learning. Learn how to protect your PC, identity, and data from tech support scams.

通过将 Microsoft Rewards 应用下载到 Xbox 主机，在玩游戏或购物时关注积分并赢得积分：. 按“Xbox”按钮 打开指南，然后转到“Microsoft Store”。. 选择“搜索”，然后在搜索框中输入“Microsoft Rewards”。. 从结果中选择 Microsoft Rewards 应用，然后将其下载到主机。. 还 ...

The enablement package is a great option for installing a scoped feature update like Windows 10, version 22H2 as it enables an update from version 2004, 20H2, 21H1, or 21H2 to version 22H2 with a single restart, reducing update downtime. This enables devices to take advantage of new features now.

Microsoft 365 subscribers can set up automatic replies for when they are out-of-office or unavailable to respond to email. Select File > Automatic Replies. Note: If you don't see the Automatic Replies button, follow the steps to use rules to send an out of office message. Select Send automatic replies.

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

Here are some best practices for earning Microsoft Rewards points so you can redeem them for gift cards, games, sweepstakes, nonprofit donations, and more.

你尝试在 Xbox One 主机或 Windows 10 设备上下载和安装某游戏时，看到以下错误代码和消息：. 0x80073CF3. 请等待几分钟，然后重试。. 更新失败。. 这说明你的主机或 Windows 10 设备上已存在该游戏的现有版本。.

This article is about ways to protect your PC from viruses that can screw up your computer, or allow criminals to steal your data, personal information, or money. Use an anti-malware app - Installing an anti-malware app and keeping it up to date can help defend your PC against viruses and other malware (malicious software).