Where can I find my BitLocker recovery key? BitLocker likely ensured that a recovery key was safely backed up prior to activating protection. There are several places that your recovery key may be, depending on the choice that was made when activating BitLocker:

但如果需要测试多个条件，例如我们假设所有条件都需要为 True 或 False (AND)，或只有一个条件需要为 True 或 False (OR)，或者如果想要检查某个条件是否不 (NOT) 符合你的条件，这时该怎么做呢？这三个函数均可以单独使用，但它们更常见于与 IF 函数成对使用。

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

Refunds are typically issued for requests meeting the following criteria: Requests are made within 14 days of the purchase date; Requests are for games in which you haven’t accumulated a significant amount of play time

Check the Xbox services, games, and apps for any service outages.

Your account page is on Office.com. After you sign in, click the arrow next to your name, and then click My Account.

OneDrive is built in to some versions of Windows and can't be uninstalled. But you can hide it and stop the sync process, so it stays hidden. To do this, turn off all the OneDrive settings and remove the OneDrive folder from File Explorer.

Buy stuff from Microsoft Store online (from your mobile device, on Xbox One, in the Microsoft Store app on your Windows 10/11 or Windows 8.1 device, or via the web).

提示: 登录时，如果你希望下次直接进入你的邮箱，请在“保持登录?”提示中选择“是”（对于共享计算机，不建议这样做）。 或者，选中“不再显示此内容”框，然后选择“否”，以便每次都提示你输入密码。 如果无法登录，或者忘记了用户名或密码，请使用登录疑难解答。

Find your Windows settings in a snap! Select the Start button, then select Settings .From there, browse the categories or use search to find what you're looking for.