A BitLocker recovery key is needed when BitLocker can’t automatically unlock an encrypted drive in Windows. This key, which is a 48-digit number, is used to regain access to the drive.

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

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Interested in selling or trading your old Xbox console to a friend or retailer? Learn more about how to prepare your console for its new owner.

学习在 Xbox 上在线兑换充值码后，如何安装游戏和可下载的游戏内容。

Check Xbox services, games, and apps for service outages or functionality issues.

IMPORTANT You should apply the Windows security update released on July 8, 2025, or a later update as part of your regular monthly update process. This article applies to those organizations who should begin evaluating mitigations for a publicly disclosed Secure Boot bypass leveraged by the BlackLotus UEFI bootkit. Additionally, you might want to take a proactive security stance or to start to ...

在 Android 设备上安装 Authenticator Google Play 商店在中国不可用，因此只能从以下商店下载Microsoft Authenticator： 联想 Oppo – 搜索要从 Oppo 存储区下载Microsoft Authenticator。 三星

Gold 会员专享游戏是一项 Xbox 计划，用于向 Xbox Live Gold（现为 Game Pass Essential）成员提供免费的 Xbox 游戏。

You see the following error code and message when you launch a game or an app on your Xbox console: 0x803f8001