For more information, please visit Update Microsoft 365 or Office on your macOS or iOS device. Support for Office 2021 will end on October 13, 2026. Learn more about your options for Office. Support for Windows 10 has ended on October 14, 2025. Learn more about your options for Windows 10.

Open Device Manager Select Start , enter device manager. Then, select Device Manager from the search results.

Find solutions for Xbox account and profile issues, manage settings, and get support for your Xbox experience.

Check the XBOX services, games, and apps for any service outages.

打开“设备管理器” 选择“ 开始 ”，输入 “设备管理器 ”。 然后，从搜索结果中选择 “设备管理器 ”。

This page features a list of common error codes and solutions. Learn how to find your error code quickly.

Need help with an XBOX console, an XBOX game, or XBOX network? Find out how to get in touch with us.

如何兑换礼品卡、Xbox 下载代码或令牌 Microsoft和 Xbox 礼品卡、下载代码和令牌的工作方式相同：一旦兑换到Microsoft帐户，即可在 Windows 或 Xbox 上的 Microsoft Store 在线商店 花费余额，并且可以获取最新应用、游戏、电影和电视节目的下载。 在某些国家或地区，你还可以购买 Surface、Xbox 和配件。

需要有关 XBOX 主机、XBOX 游戏或 XBOX 网络的帮助?了解如何与我们联系。

iOS Android To install Authenticator on your iOS device Scan the QR code or download and install Authenticator from the Apple app store.