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.

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.

Choose the web browser you're using for exact steps on how to download and run the automated solution. Download the automated tool. At the bottom of the browser window, select Run to launch the SetupProd_OffScrub.exe file. Select the version you want to uninstall, and then select Next.

在将你的 Xbox 主机、Kinect 传感器或 Xbox 配件（如控制器）送修前，要确保将其妥善打包以便装运。本页介绍了推荐的产品包装方式。

Learn how to fix problems signing into your Microsoft account. Resolve password verification, locked account, and other Microsoft account login issues.

Check here for the known game issues that we're currently tracking and find out what you can do about them. Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.

Along with software updates for Windows 10 or Windows 11, it's important to make hardware updates, also known as updates for drivers and firmware. You can quickly check the health of your Surface drivers and firmware using the Surface app. Open the Surface app.

Remote Assistance Support from Microsoft allows a Microsoft support professional in another location to view your computer screen and work on your computer over a secured connection. Protect yourself from tech support scams. Before clicking 'I accept', review the: Agreement for Microsoft Services. Microsoft Software License Terms.

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.

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。.