可通过不同的方式删除应用和程序，因此如果找不到要查找的应用和程序，可以尝试另一个位置。 请注意，某些应用和程序内置于 Windows 中，无法卸载。

Designed by media lovers for media lovers. Windows Media Player 12—available as part of Windows 7, Windows 8.1, and Windows 10*—plays more music and video than ever, including Flip Video and unprotected songs from your iTunes library!

Access, download, or run the Surface app and the Surface Diagnostic Toolkit to help find and solve Surface problems.

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 ...

On the Security tab, select Custom level, and then under ActiveX controls and plug-ins, do one the following: Allow Automatic prompting for ActiveX controls by selecting Enable. Allow Internet Explorer to Display video and animation on a webpage that doesn't use external media player by selecting Enable. Allow Internet Explorer to Download signed ActiveX controls by selecting Enable, or Prompt ...

Is it available on my device? BitLocker encryption is available on supported devices running Windows 10 or 11 Pro, Enterprise, or Education. On supported devices running Windows 10 or newer BitLocker will automatically be turned on the first time you sign into a personal Microsoft account (such as @outlook.com or @hotmail.com) or your work or school account.

If either of the categories above apply to you, use the following procedures to update your browser: Update once. In the browser, go to Settings and more > Help and feedback > About Microsoft Edge (edge://settings/help).. If the About page shows Microsoft Edge is up to date., you don't need to do anything.

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。

注意: 如果无法选择 “Windows 聚焦 ”选项，则表示管理员可能已禁用该功能，或者你可能尚未获取更新。 此功能在一段时间内推出。 有关详细信息，请参阅 何时获取 Microsoft 365 的最新功能？

Screen time limits in Microsoft Family Safety are a great way to balance online habits within your family group. You decide when and for how long family members can use their connected Windows, Xbox and mobile devices.