In the File Download dialog box, click Run or Open, and then follow the steps in the Windows Firewall Troubleshooter.

Find PowerPoint help and training from Microsoft. Get answers to your questions, and learn from how-to articles and training videos for PowerPoint.

Edit green screen videos. Get studio-like effects without the price tag. Replace video backgrounds through the chroma-key filter.Select stock videos from our green-screen collection, add stickers and special effects to enhance your video.

它是否适用于我的设备？ BitLocker 加密适用于运行 Windows 10 或 11 专业版、企业版或教育版的受支持设备。 在运行 Windows 10 或更高版本的受支持设备上，首次登录个人 Microsoft 帐户（如 @outlook.com 或 @hotmail.com）或工作或学校帐户时，系统将会自动打开 BitLocker。

Click Accessories, right-click Command Prompt, and select Run as administrator. If you are prompted for an administrator password or for confirmation, type the password or provide confirmation.

Universal Plug and Play (UPnP) is what your Xbox uses to set up your router for multiplayer gaming and chat. If you see “UPnP Not Successful” in your console’s Network settings, first see if your router needs an update.If your router has the latest manufacturer update:

通过在 Excel 中打开文本文件来导入它. 可以使用“ 打开 ”命令打开在另一个程序中作为 Excel 工作簿创建的文本文件。 在 Excel 中打开文本文件不会更改文件格式 — 您可以在 Excel 标题栏中看到此格式，其中文件名保留文本文件扩展名 (例如，.txt 或 .csv) 。

Change the application's high-DPI scaling mode. In the High DPI scaling override area, select Override high DPI scaling behavior, and then try one of the following options:. Application – Disable all Windows scaling settings and only use the app developer's setting. This option was called Disable display scaling on high DPI settings in previous versions of Windows.

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

你可以从 Windows 的 Microsoft Store 中下载并安装应用。 若要查找Microsoft应用商店应用，必须运行 Windows 11。 若要了解哪些应用可以在你的设备上使用，请选择任务栏上的 Microsoft Store。如果你没有看到任务栏上的 Microsoft Store 图标，请选择 开始 ，键入Microsoft Store，然后通过在结果列表中选中它来打开 ...