Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

会议前. 在 Teams 日历中，安排或编辑会议时，请使用 “添加所需与会者 ”或 “添加可选与会者 ”框搜索和邀请人员。 然后，可使用“日程安排助理”查看人员的空闲时间。 有关详细信息，请参阅 安排会议。. 还可以安排 Teams 会议并从 Outlook 邀请人员。

Learn how to troubleshoot Bluetooth problems in Windows. Resolve issues connecting a Bluetooth device or accessory.

Learn how to find which version of Windows operating system your PC is running and device specifications.

An upgrade differs from an update in that it moves your PC from a previous version of Windows—such as Windows 10—to Windows 11. This FAQ is intended to answer questions about upgrading to Windows 11.

Keeping your login information secure will sometimes require you to change a password. You can easily edit the passwords saved in Microsoft Edge.

Learn how to access the Control Panel in Windows for managing your system settings and programs.

Try these solutions if you can't sign in to your Outlook.com, Hotmail, Live, or MSN email account, or you're not sure how to sign in or sign out.

Learn different ways to locate your BitLocker recovery key in Windows, and learn about how BitLocker might have been activated on your system.

Learn how to update Windows to ensure your device operates smoothly and securely with the latest features.