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.

Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

Buy games & apps. Get help with purchase errors. Pre-order Xbox digital games in the Microsoft Store. Use PayPal with your Microsoft account. Use mobile operator billing with your Microsoft account. Update your billing address and payment options. Xbox Free Play Days FAQ.

If you want to track your Microsoft Rewards order after you redeem an award, sign in to the Rewards page with your Microsoft account, select Redeem and then select Order history. On the Order history page, find your order and then look under Status. Open Rewards dashboard.

Use the Xbox mobile app, the Xbox Game Pass app, or the Microsoft Store on PC to remotely install games—so your games are ready when you are. Here’s how to get your console and Windows device ready for installations that you’ll be able to start from your phone or mobile device.

Open the Authenticator app, select Add account from the Customize and control icon in the upper-right, select Other account (Google, Facebook, etc.), and then select OR ENTER CODE MANUALLY. Enter an Account name (for example, Google) and type the Secret key from Step 1, and then select Finish.

On the web: Refresh the page and try again. If that doesn't work, open a private or incognito browser window and try again. In the Microsoft Store app: Close the Store app and reopen it, then try your purchase again. If that doesn't work, try to make your purchase from the Store through a web browser.

There are two ways to open Registry Editor in Windows 10: In the search box on the taskbar, type regedit, then select Registry Editor (Desktop app) from the results. Right-click Start , then select Run. Type regedit in the Open: box, and then select OK.

需要记住的事项：. 不能将 Microsoft 或 Xbox 礼品卡用于在 Xbox One 上购买 Xbox 360 Marketplace 中的内容或 Xbox 360 内容。. 购买 Microsoft 或 Xbox 礼品卡时，确保使用的货币与接收人的帐单帐户相关联的货币相匹配。. 否则，接收人将无法兑换礼品卡。. 如果你要在某个国家 ...