了解如何将内容从一台设备屏幕镜像或投影到另一台设备。 注意: 无线显示应用在运行 Windows 11 版本 22H2 及更高版本的设备上可用。如果运行的是早期版本的 Windows，请在任务栏的搜索框中输入 “连接”，然后在结果列表中选择“连接”，从而启动 “连接” 应用。

Important: Microsoft accounts, the Windows operating system, and other Microsoft products include passwords to help secure your information.This article provides some options that you can use to reset or recover your password if you forget it. Be aware that, if these options don’t work, Microsoft support can't help you retrieve or circumvent a lost or forgotten password.

In Outlook.com, select your account picture at the top of the screen. Select Sign out. Go to the Outlook.com sign-in page and select Sign in. Enter your email address or phone number and select Next. On the Enter password page, clear Keep me signed in.

Learn how to download, install, and use the PC Health Check app to check your device's compatibility with Windows 11 and get tips to improve its performance.

You can easily insert a check mark (also known as a "tick mark") in Word, Outlook, Excel, or PowerPoint. These marks are static symbols. If you're looking for an interactive check box that you can click to check or uncheck, see: Add a check box or option button (Excel) or Make a checklist in Word. In your file, place the cursor where you want to insert the symbol.

To edit a PDF, open it in Word. This works best with PDFs that are mostly text. PDFs of book chapters or something that looks like a manuscript from a copier won't be formatted well in Word.

Dark Mode in Word offers a dark color scheme for both the menu controls and the document background. Dark Mode can help to reduce eye strain and also provides a more modern feel to Word.

Here's how to turn Bluetooth on or off in Windows 11: Do one of the following: On the taskbar, select the Network icon. Select the Bluetooth quick setting to turn it On or Off.

Note: Some cameras won't appear in the Camera settings page.These include infrared (IR) cameras used for Windows Hello Face authentication, cameras using DirectShow technology (like many apps provided by DSLR or action camera manufacturers so their devices can be used as webcams), and proprietary cameras that aren't managed by Windows—such as industrial cameras and many networked cameras.

按此键 执行此操作 Ctrl + Shift + B 显示或隐藏收藏夹栏 Alt + Shift + B 将焦点放在收藏夹栏中的第一项上 Ctrl + D 将当前选项卡另存为收藏夹 Ctrl + Shift + D 在新文件夹中将所有打开的标签页另存为收藏夹