A BitLocker recovery key is needed when BitLocker can’t automatically unlock an encrypted drive in Windows. This key, which is a 48-digit number, is used to regain access to the drive.

If you have a subscription through a Microsoft 365 (or Office 365) plan, that's separate from Office 2024 or Office LTSC 2024. For example, if you are already using Microsoft 365 or if your organization deployed Microsoft 365 Apps for enterprise to the users in your organization, you don't need Office 2024 or Office LTSC 2024.

Windows 11, version 21H2; October 8, 2024—KB5044280 (OS Build 22000.3260) September 10, 2024—KB5043067 (OS Build 22000.3197) August 13, 2024—KB5041592 (OS Build 22000.3147)

若要在 Windows 11 中检查激活状态，请选择“开始 ”按钮，然后选择“设置 > 系统 ” ，然后选择“激活 ”。 。 激活状态将在“激活”旁边列出。 在“设置”中检查激活状态. 你将在“激活”页面上看到以下一条激活状态消息：

Codecs allow you to play different formats of audio and video files. Media Player supports a wide variety of codecs. Most are included out of the box; some additional codecs can be installed from the Microsoft Store.

Before you start. Check these things before you start troubleshooting Bluetooth on your device: Check your product information. If you’re setting up a new device and Bluetooth is missing, check the product specifications to make sure it has Bluetooth capabilities.

Notes: To delete a shortcut from your desktop, press and hold (or right-click) it, select Show more options, then select Delete.Only the shortcut is removed, not the original item.

Notes: Reinstalling Windows 11 using installation media while choosing to ‘Keep nothing’ (a clean install) will automatically enable reserved storage if the partition you reinstall Windows to is 20GB or larger. Reserved storage sets aside disk space to be used by updates, apps, temporary files, and system caches, thus improving the day-to-day function of your PC by ensuring that critical ...

If you want to give access to desktop apps, make sure that Let desktop apps access your microphone is turned on.You can't turn off microphone access for individual apps. If your camera contains a microphone, you might also need to give your apps permission to use your camera.

Troubleshoot password issues when adding an account in new Outlook Forgot your password. If you forgot the password for a Microsoft account, use our sign-in helper to get back into your account, or see Reset a forgotten Microsoft account password.. If you forgot your password for a work or school account, see Reset your work or school password using security info.