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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 how to update drivers in Windows using Device Manager to update or reinstall a driver.

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

下面是 Excel 中一些常见的嵌套 IF (AND ) 、IF (OR ) 和 IF (NOT ) 语句的示例。 AND 和 OR 函数最多可支持 255 个单独条件，但并不建议使用多个条件，因为构建、测试和维护复杂的嵌套公式是非常难的。

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

Update Surface devices and Windows. Download the latest drivers and firmware updates to keep your Surface devices performing their best.

Learn how to install Windows 11, including the recommended option of visiting the Windows Update page in Settings.

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

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