If you’re working on a Windows PC and want the apps and content from another device to show on your PC screen, you’ll want to consider mirroring that device‘s screen or projecting it to your PC.

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

在 Excel 中，IF 函数允许通过测试某个条件并返回结果（如果该条件为 True 或 False），在值和预期值之间进行逻辑比较。 =IF（内容为 True，则执行某些操作，否则就执行其他操作）

Find out how to install Windows 11 on your device, whether you need to use Windows Update, Cloud download, or Local reinstall. Get tips and troubleshooting help from Microsoft Support.

Use your scanner and download an app from Microsoft Store to scan a document or picture to your PC.

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

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

Learn how to connect to a Wi-fi network in Windows and manage your current network connections.

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 connect a Bluetooth device in Windows and adjust Bluetooth pairing settings.