Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key.

Cast to a display from a Windows PC. You can wirelessly connect your PC to a TV, projector, or other kind of external display that supports Miracast. Turn on your TV, projector, or other display. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display.

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

了解如何在移动设备、Windows 设备或 Xbox 主机上兑换 Microsoft/Xbox 礼品卡或其他代码。.

Xbox Game Pass Ultimate includes all benefits of Xbox Game Pass Core, which gives you access to multiplayer games on your console. (Free-to-play games include online multiplayer without an Xbox Game Pass Core subscription.) Windows games in the catalog don’t require a separate subscription for online multiplayer gaming.

Change or reset your PIN when you're already signed in. Note: The PIN you use to access your device is different from your Microsoft account password. If you need to reset your Microsoft account password, see Change your Microsoft account password .

根据美国联邦法律，你有权每 12 个月从这三家信用报告公司每 12 个月获得一份信用报告的免费副本。. 若要请求信用报告的免费副本，请转到 https://annualcreditreport.com 。. 通常只需一两分钟即可获取报表，然后可以保存或打印报表，以便仔细查看。. 提示: 最多 ...

使用 Microsoft Rewards 赢得积分. 做日常所做的事，即可赢得奖励积分。. 这很简单，而且免费。. 只需注册即可将 Microsoft Rewards 包含在 Microsoft 帐户中：. Microsoft Rewards. 注册后，登录到 Microsoft 帐户可查看当前积分。. 在 Bing.com 上，还可在帐户名称旁看到总积分。.

了解如何兑换礼品卡、代码或 Office 产品密钥，以及如何在 Microsoft Store 在线商店、Windows 或 Xbox 上花费余额。.