Finding your BitLocker recovery key in Windows - Microsoft Support
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.
Redeem a gift card or code to your Microsoft account
How to redeem a gift card, Xbox download code or token. Both Microsoft and Xbox gift cards and download codes and tokens work the same way: once redeemed to your Microsoft account, you can spend your balance at Microsoft Store online, on Windows or Xbox, and you can get downloads for the latest apps, games, movies, TV shows, and Surface, Xbox ...
Applies To:
Microsoft account dashboard
Download and install or reinstall Office 2019, Office 2016, or Office ...
Install Microsoft 365 2019 or 2016 on a PC. Remember a one-time purchase version of Microsoft 365 is licensed for one install only. Depending on your browser, select Open file (in Edge or Internet Explorer), Setup (in Chrome), or Save File (in Firefox).
Applies To:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
如何兌換禮品卡和代碼 | Xbox Support
兌換禮品卡與代碼，以購買 Xbox 並擴充您的 Xbox 訂閱。. 代碼的長度為 25 個字元 (包含數字和英文字母)，並採用 5x5 格式，即以五個字元為一組，共五組。. 代碼可以是您向 Microsoft 或信任的零售商購買的數位或實體卡片。. 如果您的帳戶有未付餘額，或是付款 ...
Microsoft Support
Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.
Account help
Get Microsoft account help. Manage your personal account from a single dashboard, including payment information, purchases, subscriptions, and more. Go to your dashboard. You can use a Microsoft account, or a work or school account to sign into your Windows device.
Cloud gaming with Xbox | Xbox Support
Manage your Xbox subscription. Game Pass Ultimate or a supported free to play game is required for cloud gaming. See what else you can do to get the most out of your subscription.
Screen mirroring and projecting to your PC or wireless display
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.
确保你的 Xbox 数字订阅适用于你所在的国家或地区 | Xbox Support
特定于国家或地区的订阅卡允许我们确保 Xbox Game Pass 服务反映购买和兑换 Xbox Game Pass 订阅所在的当地市场行情。. 例如，提供仅限巴西的 Xbox Game Pass 订阅，使我们可以降低巴西的为期 12 个月的订阅价格，并确保该服务反映巴西的市场经济。.
Desktop Themes - Microsoft Support
Get free Windows themes from Microsoft to personalize background, colors and sounds for your PC.