Try these steps if you’re having trouble buying apps, games, or downloads from the Microsoft Store.

To learn more, check out the Join a Teams meeting video. Join by link. All you need to join a Teams meeting is a link. Select Join the meeting now in your meeting invite to be taken to a page where you can choose to either join on the web or download the desktop app.. If you already have the Teams app, the meeting will open there automatically.

获取 Microsoft Edge 的帮助和支持。 查找 Microsoft Edge 支持内容、操作方法文章、教程等。

Microsoft Edge 是 Microsoft 推荐的浏览器. Windows 8.1不再支持 Internet Explorer 11。 相反，我们建议切换到 Microsoft Edge。 Microsoft Edge 是为了给你带来最好的上网体验而建立的，让你在浏览网页时有更多自主性，并获得更多隐私保护。

解决激活错误. 如果 Microsoft 365 无法激活，其最后会变为未授权，且 Microsoft 365 的所有编辑功能都会被禁用。 Microsoft 可能由于多种原因变为未授权。

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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In the Properties dialog box, look for an Unblock button near the bottom right. If it exists, click Unblock, then click Apply, and then click OK to dismiss the dialog box.

OneDrive for Business provides one place to store, share and sync your work or school files.

When you start a focus session, a focus timer will appear on screen. To use additional focus tools in the Clock app, expand the focus timer to get the full view of the Clock app.