了解如何修复 Windows 中的声音或音频问题。

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。

You can pair all kinds of Bluetooth devices with your PC—including keyboards, mice, phones, speakers, and a whole lot more. To do this, your PC needs to have Bluetooth. Some PCs, such as laptops and tablets, have Bluetooth built in. If your PC doesn’t, you can plug a USB Bluetooth adapter into the USB port on your PC to get it.

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)

Office または Microsoft 365 を購入したときにプロダクト キーが付属していた場合は、使用している製品に対応する以下の Web サイトのいずれかにプロダクト キーを入力します。

警告: Microsoft 不建议在不符合 Windows 11 最低系统要求的设备上安装 Windows 11。 如果选择在不符合这些要求的设备上安装 Windows 11，并且认识到并了解风险，则可以创建以下注册表项值并绕过对 TPM 2.0（至少需要 TPM 1.2）和 CPU 系列和模型的检查。. 注册表项： HKEY_LOCAL_MACHINE\SYSTEM\Setup\MoSetup

Per ottenere supporto in Outlook.com, fare clic qui oppure selezionare Guida sulla barra dei menu e immettere la query. Se l'assistenza self-service non risolve il problema, scorrere verso il basso fino a Serve ulteriore assistenza? e selezionare Sì.. Per contattare Microsoft in Outlook.com è necessario eseguire l'accesso.

Some PCs can let Windows automatically adjust screen brightness based on the current lighting conditions. To find out if your PC supports this, select Settings > System > Display.Select Brightness, look for the Change brightness automatically when lighting changes check box, and then select it to use this feature.This automatic setting helps make sure your screen is readable wherever you go.

For PCs that don't have enough space to automatically install the update Windows will prompt you to free up disk space or use external storage to temporarily extend the storage on your PC. If you use an external storage device, Windows won’t need as much free space on the system drive as it temporarily uses your external storage.

Windows 10, version 2004 and Windows Server, version 2004 update history; End of service statement; December 14, 2021—KB5008212 (OS Builds 19041.1415, 19042.1415, 19043.1415, and 19044.1415)