Microsoft Edge is your AI-powered browser. With Copilot in Microsoft Edge, you can get answers to your questions without leaving the tab or window that you're already in. Ask Copilot to help you make decisions, research topics, or summarize web pages or PDFs to find exactly what you're seeking.

DirectX 9.0c 通过安装 DirectX 9.0c 最终用户运行时适用于 Windows XP 和 Windows Server 2003。. 某些应用程序和游戏需要 DirectX 9。 但是，你的计算机包含更新版本的 DirectX。 如果安装并运行需要 DirectX 9 的应用程序或游戏，你可能会收到错误消息“无法启动此程序，因为计算机中丢失 d3dx9_35.dll。

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：

Use the Quick Assist app to get help with a computer problem from family or friends or help them out. Quick Assist uses a remote connection, so remember to only use it with people you trust, since they can see your computer screen or control your PC (if you allow it).

Tip: If you're using a wireless display adapter, connect the adapter to an HDMI port on newer TVs, then wirelessly connect your PC to it.After connecting your wireless display adapter to your TV, go to your Windows 11 PC, press Windows logo key + K to open Cast, then select your wireless display adapter.

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从 OneDrive 删除， 但不能 从计算机中删除 如果要在计算机上保留文件、照片或文件夹，但不要在 OneDrive 上，请使用 文件资源管理器 或 Mac Finder 将文件从 OneDrive 文件夹移到计算机上的其他文件夹。

Troubleshoot problems with Bluetooth accessories. If you can turn on Bluetooth but having problems pairing or using a Bluetooth accessory, try the following steps to try to fix common problems with Bluetooth accessories.

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.

如果“输入密码”窗口仍处于打开状态，请选择“忘记密码？. 如果没有，请选择下面的“重置密码”，输入要重置的帐户的用户名，然后选择“ 下一步”。 重置密码