Support for Office 2021 will end on October 13, 2026. Learn more about your options for Office.

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。

XBOX Support offers help for XBOX, Game Pass, and billing questions. Get advice and customer service in the XBOX Support community.

注意 Microsoft Authenticator 不 适用于电脑或 Mac，因为出于安全原因，验证器应用是专为智能手机设计的。 了解详细信息。 Microsoft 不再支持超过一年的 Authenticator 版本。 始终使设备保持最新。 中国用户应阅读 如何在中国下载和使用 Microsoft Authenticator。

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

Find everything you need to manage your Microsoft account, XBOX profile, and more.

Hey XBOX Insiders! We are releasing a new XBOX Update Preview to the Alpha Skip-Ahead ring today. Continue reading below to learn all about what's included with this update.

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

Hey XBOX Insiders! We are releasing a new XBOX Update Preview to the Beta ring today. Continue reading below to learn all about what's included with this update.

将包含脱机系统更新文件的 U 盘插入 XBOX 主机上的 USB 端口。 插入 U 盘后，XBOX 启动疑难解答程序上的“脱机系统更新”选项将变成活动状态。 使用控制器上的方向键和A按钮 选择“离线系统更新”，以开始使用 U 盘上保存的文件进行更新。