注意: 如果你处于平板模式，则不会显示桌面图标。若要查看平板电脑模式下的桌面图标，请转到 “开始 > 设置 > 系统 > 平板电脑”，然后选择“ 更改其他平板电脑设置”。在 “使用平板电脑模式时”下，确保“隐藏任务栏上的应用图标”和 “自动隐藏任务栏”都设置为 “关闭”。

下面介绍如何将回收站显示在桌面上： 选择任务栏左下角的“开始”按钮，然后选择“设置”。 注意: 若要访问 Windows 8.1 中的桌面图标设置，请从屏幕右边缘向内轻扫，然后选择“ 搜索”。在搜索框中键入“桌面图标”，然后选择“显示或隐藏桌面上的通用图标”。

Tips: While signing in, select Yes at the "Stay signed in?" prompt if you want to go straight to your mailbox next time (not recommended for shared computers). Alternatively, check the "Don't show this again" box and select No to be prompted for your password each time.. If you can't sign in, or have forgotten your username or password, use our sign-in troubleshooter.

Note: The Wireless Display app is available on devices running Windows 11 version 22H2 and newer.If you're running an earlier version of Windows, launch the Connect app by entering connect in the search box on the taskbar, and selecting Connect in the list of results. To find out which version of Windows you're running, see Which version of Windows operating system am I running?

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

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

How to open PC Health Check. In Windows, use Search on the taskbar to search for PC Health Check, then select it from the list of results.. If a PC Health Check update is available, you can quickly install it for the latest version.

或者，如果要在现有或新的计算机上安装或重新安装 Microsoft 365 或 Office，请转到： 对于 Microsoft 365 和 Office 2021 - 在电脑或 Mac 上下载并安装Microsoft 365 或 Office 2021。

How to redeem a gift card, Xbox download code or token. Both Microsoft and Xbox gift cards and download codes and tokens work the same way: once redeemed to your Microsoft account, you can spend your balance at Microsoft Store online, on Windows or Xbox, and you can get downloads for the latest apps, games, movies, TV shows, and Surface, Xbox, and accessories.

In quick settings: To find the quick setting for Bluetooth, select the Network, Sound, or Battery icons ( ) next to the time and date on the right side of your taskbar.Select Bluetooth to turn it on. If it's turned on without any Bluetooth devices connected, it might appear as Not connected . If you don't see Bluetooth in quick settings, you might need to add it.