Important: If your device is out of support, it is no longer receiving security updates from Microsoft and may become more vulnerable to security risks and viruses.Therefore, we strongly recommend that you update to the latest version of Windows. Each version of Windows is supported for 18 months.

获取 Windows 操作系统的官方支持和帮助信息，以及如何使用 Windows 的指南。

Updates for Windows Server 2022. Windows Server 2022 is the latest release in our Long-Term Servicing Channel (LTSC). It builds on Windows Server 2019, our fastest adopted Windows Server ever.

Get productive quickly with Microsoft 365 videos and tutorials. Explore Microsoft 365 training guides and tips to collaborate with anyone, anywhere.

Turn on caret browsing indefinitely by going to Settings and more > Settings > Accessibility and turn on Navigate pages with a text cursor. With caret browsing on, you can move the caret within a web page using the Up, Down, Left, and Right directional arrow keys and Home, Page Up, and Page Down buttons on your keyboard.. To select text, images, or other elements on the page, hold down Shift ...

注意: 如果知道密码，但只想更改密码，请转到“account.microsoft.com 安全”选项卡，然后选择“更改我的密码”。. 如果知道用户名和密码但已停止工作，请阅读我的用户名和密码已停止工作。

To open the Start menu—which contains all your apps, settings, and files—you can do any of the following: On the center or left end of the taskbar, select the Start icon.

Action. Gestures. Select an item. Tap the screen Scroll. Place two fingers on the screen and slide horizontally or vertically. Zoom in or out. Place two fingers on the screen and pinch in or stretch out

The Snap feature is a great way to improve your productivity by sharing many app windows in a single screen. Different layouts are available with many sizes to choose from, so you can get the most from your favorite apps when you are working on specific tasks.

Under System , select Display .Your PC should automatically detect your monitors and show your desktop. If you don't see the monitors, select Multiple displays , then Detect.