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.

Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

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

Ineligible enforcements include those with shorter duration periods, content takedowns with no accompanying service suspension, and suspensions that are no longer active. Sign in to your account to view your enforcements. Find out how to submit a case review and learn more about your Xbox enforcements.

Here’s how Xbox Game Pass subscribers can extend their Game Pass subscription benefits to friends and family. At home: Make your primary Xbox (if you have more than one) your home Xbox, which gives anyone who signs in to the console with their profile the ability to use your Game Pass subscription.

Post questions, follow discussions and share your knowledge in the Outlook.com Community. Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

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.

Learn how to add user accounts in Windows 10 and Windows 11. With an account, each person has separate files, browser favorites, and a private desktop.

If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.

了解如何加入俱乐部，以便你可以聊天、玩游戏、共享内容以及加入其他玩家的群。. 同时了解如何退出俱乐部。.