了解如何使用 Android、iOS 或 Windows 设备在 Xbox 上玩云游戏。

如果知道用户名和密码但已停止工作，请阅读 我的用户名和密码已停止工作。. 如果你忘记了 Microsoft 帐户用户名或电子邮件地址， 并且 之前已在 Microsoft 帐户上设置了其他 安全信息 ，请按照以下步骤操作。

Note: If you receive a prompt asking whether to allow the app to access your camera (iOS) or to allow the app to take pictures and record video (Android). select Allow so the authenticator app can access your camera to take a picture of the QR code in the next step.If you don't allow the camera, you can still set up the authenticator app as described in Manually add an account to the app.

Learn how to renew your Microsoft 365 Family or Microsoft 365 Personal subscription online or from a retail store.

Add additional privacy protection to email messages with encryption.

Enjoy advanced protection against phishing and malware, no ads, and other premium features for your Outlook.com account – all part of your Microsoft 365 subscription.

Xbox Game Pass Ultimate includes all Game Pass benefits, including more than 100 high-quality console and PC games. New games are added all the time, so there’s always something new to play.

你的备用电子邮件地址是否以 @outlook.com、@hotmail.com、@live.com 或 @msn.com 结尾？ 如果是，则你正使用一个 Microsoft 帐户验证另一个 Microsoft 帐户。

详细了解如何为 Xbox 订阅或数字产品申请退款。

Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.