An upgrade moves your PC from a previous version of Windows—such as Windows 7 or Windows 8.1—to Windows 10. An upgrade can take place on your existing device, though Microsoft recommends using Windows 10 on a new PC to take advantage of the latest features and security improvements.

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

The Advanced Boot Options screen lets you start Windows in advanced troubleshooting modes. You can access the menu by turning on your computer and pressing the F8 key before Windows starts.

查找 Windows 7 或 Windows 8.1 的产品密钥. 卸载或重新安装 Windows 7 或 Windows 8.1 时，通常需要产品密钥。 通常，如果购买的是实物 Windows 拷贝，产品密钥应该在标签上或者在 Windows 随附包装盒中的卡上。

The full path (including the file name) is too long. The path must contain fewer than 442 characters. Shorten the name of your file or the name of subfolders in OneDrive, or select a subfolder that's closer to the top-level folder, and then try to upload the file again.

Learn how to use voice access for accessibility. This page includes accessibility help articles for people who use Windows voice access to control their PC and author text using their voice.

若要在 Windows 11 中检查激活状态，请选择“开始 ”按钮，然后选择“设置 > 系统 ” ，然后选择“激活 ”。 。 激活状态将在“激活”旁边列出。 在“设置”中检查激活状态. 你将在“激活”页面上看到以下一条激活状态消息：

有些网站专为与 Internet Explorer 一起使用，它们具有 Microsoft Edge 等新式浏览器不支持的功能。 如果你需要查看其中的某个网站，可使用 Microsoft Edge 中的 Internet Explorer 模式。

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.

При отображении запроса со списком разрешений, необходимых расширению, внимательно изучите их и, чтобы продолжить, нажмите кнопку Добавить расширение.