Get support for all Office.com apps, including Excel, Word, and PowerPoint, with step-by-step guidance and troubleshooting.

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查找有关 Windows 操作系统的帮助和操作方法文章。 获取对 Windows 的支持，并了解安装、更新、隐私、安全等方面的信息。

具有音频和视频功能的功能。 Windows 中的许多功能可用于查看或播放视频或音频内容，例如允许用户录制或播放音频的 OneNote 应用、可以播放基于 Internet 的媒体内容的 Microsoft Edge Web 浏览器、“照片”应用、OneDrive 应用等。

如果你不希望第三方站点在你的电脑上存储 Cookie，则可以阻止 Cookie。 但是执行此操作可能会导致某些页面无法正确显示，或者可能会从站点收到一条消息，通知你需要允许 Cookie 才能查看该站点。

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如果您不希望第三方網站在您的計算機上儲存 Cookie，您可以封鎖 Cookie。 但是這樣做可能會使某些網頁無法正確顯示，您也可能會收到來自網站的訊息，告知您必須允許 Cookie 才能檢視該網站。

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Why some files won't open in Internet Explorer. Internet Explorer uses add-ons such as Adobe Reader to view some files in the browser. If a file that needs an add-on won't open, you might have an older version of the add-on, which needs to be updated.

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