Turn your PC off completely. To shut down, select Start and then select Power > Shut down .. Sleep. Sleep uses very little power, your PC starts up faster, and you’re instantly back to where you left off.

Learn how to activate Office pre-installed on new Windows 10 PCs or with a new product key.

Note: If it’s been fewer than 10 days since you upgraded to Windows 10, your previous version of Windows will be listed as a system file you can delete.If you need to free up drive space, you can delete it, but keep in mind that you'll be deleting your Windows.old folder, which contains files that give you the option to go back to your previous version of Windows.

In the search box on the taskbar, type device manager, then select Device Manager from the menu.

如果在设置中打开以不同于首选语言编写的页面，Microsoft Edge 将自动提示你翻译它。 转到使用外语编写的网页时，“翻译”图标 显示在地址栏中。 如果某种语言不在“设置”的“首选语言”列表中，则将被视为外语。若要在列表中添加或删除语言，请在 Microsoft Edge 中，转到 “设置”等 > 设置 ...

If you don’t want to use the proxy server when you visit certain websites, enter the ending of the website address in the exception list (for example, *.contoso.com). For multiple websites, type each website address and separate the addresses with a semicolon (for example: *.contoso.com; *.adatum.com).The * is a wildcard so any website addresses that end with the website address listed will ...

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

提示: 登录时，如果你希望下次直接进入你的邮箱，请在“保持登录?”提示中选择“是”（对于共享计算机，不建议这样做）。 或者，选中“不再显示此内容”框，然后选择“否”，以便每次都提示你输入密码。 如果无法登录，或者忘记了用户名或密码，请使用登录疑难解答。

One of the best ways to get the most out of your PC is to make sure you have the latest version of Windows 11 installed. When you check for updates, your PC will also search for the latest device drivers, which can also help improve your PC’s performance.

要执行此任务. 执行此操作. 添加视频. 选择“视频”>“开始我的视频”。 隐藏预览. 选择“视频”>“隐藏我的预览”。 共享预览. 选择“视频”>“显示我的预览”。 停止共享视频. 选择“视频”>“停止我的视频”。 离开视频². 选择“视频”>“离开视频”。 将呼叫置于保持状态