你可以使用安装介质（U 盘或 DVD）来安装 Windows 的新副本、执行全新安装或重新安装 Windows。 要创建安装介质，请转到软件下载网站，你可以在这里找到分步说明。 在该网站上，你可以选择 Windows 版本，并使用 U 盘或 DVD 创建自己的安装介质。

This article describes a problem with CD or DVD drives not work, or is missing, or not recognized after installing or uninstalling programs.

Tip: If your can't get the code by email or phone, you might be able to enter an email address that's different from the one you're trying to recover. Go to the Recover your account page and follow the prompts.

Take a closer look at the macro . You can learn a little about the Visual Basic programming language by editing a macro. To edit a macro, in the Code group on the Developer tab, click Macros, select the name of the macro, and click Edit.This starts the Visual Basic Editor.

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.

Note: If you have previous activity history stored in the cloud before Windows 11 23H2 and 22H2, January 23, 2024-KB5034204 update, you can use the Clear activity history button to delete previously stored data in the cloud. Otherwise, your activity history will be automatically deleted within 30 days from when your data was last synced to the cloud

Learn how to open and run DxDiag.exe on Windows to collect device information and troubleshoot DirectX sound and video issues.

注意 Windows Server 2008 R2 的此更新不支持升级到更高版本的 Windows 有关如何下载 Microsoft 支持文件的详细信息，请单击以下序列号以查看 Microsoft 知识库中的文章：

Smart charging will be paused and allow a full battery charge until your Surface needs to turn it on again. It may take several days before smart charging turns on again and limits your battery capacity to 80%.

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.