Windows 10 Update Assistant. The Windows 10 Update Assistant downloads and installs feature updates on your device. Feature updates like Windows 10, version 1909 (a.k.a. the Windows 10 November 2019 Update) offer new functionality and help keep your systems secure.

There are a number of possible explanations for why verification codes don't always arrive. Read through the list of the most common causes, and see if any of them apply to you, or use our troubleshooter to help guide you.

Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

You can link your social media account in one of two ways: Use the Xbox mobile app to scan the QR code. Select the Link option which will launch the Microsoft Edge app on Xbox. You can choose to link your Discord, Reddit, Steam, Twitch, or other social media account.

如果在电脑上安装或更新游戏服务时遇到问题，或者你注意到电脑版 Xbox 应用启动时缺少内容，则可能需要下载并运行适用于电脑的游戏服务修复工具。. 注意 在某些情况下，你可能无法运行游戏服务修复工具，除非你在电脑上以本地管理员身份登录。. 当 Windows ...

Getting your Xbox device serviced. If you've registered your device, sign in at Device services to see the device’s warranty status. If it’s within warranty, repairs are free. If your device is out of warranty, you’ll be charged a repair fee. Sign in to your Microsoft account.

软件只授予使用许可，而非出售。 除非依据单独协议您具有商业使用之权利，否则您只能将 Word、Excel、PowerPoint 和 OneNote 用于个人、非商业用途。

Find the information you need to build, run, and grow your small business with Microsoft 365. Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

Some apps let you manage background activity, which determines what they can do when they’re in the background and not actively in use. Apps that can run in the background can send and receive notifications, sync information, and stay up to date.

About the core family safety features of Xbox. Set screen time limits for your Xbox family group. Find more info about your account and profile. Learn about family safety settings and tips. Learn all about the Xbox Series X and Series S consoles.