Repair or reset Windows Media Player: If Windows Media Player is not working properly, you can try to repair or reset it to its default settings.To do this, Select Start > Settings > Apps > Installed Apps.. Scroll down and click the three horizontal dots next to Windows Media Player and choose Advanced options, and click the Repair or Reset button. Note that resetting Windows Media Player will ...

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Press the Xbox button to open the guide, and then go to Profile & system.; Select your Xbox profile (or select Choose a profile and sign in to your account).; Select My profile > Customize profile, and then select your current gamertag.; Under Choose your new gamertag, enter the gamertag that you want in the available text box, and then select Check availability.

See instructions on how to add an account within Microsoft Teams (free) on your desktop and mobile devices.

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如需了解详细信息，请观看加入 Teams 会议视频。. 通过链接加入. 只需通过一个连接即可加入 Teams 会议。 在会议邀请中选择“ 立即加入会议”，将其带到一个页面，你可以在其中选择加入 Web 或下载桌面应用。 如果你已拥有 Teams 应用，会议将自动打开。

The full path (including the file name) is too long. The path must contain fewer than 442 characters. Shorten the name of your file or the name of subfolders in OneDrive, or select a subfolder that's closer to the top-level folder, and then try to upload the file again.

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。

@mention a tag in a channel. In a channel conversation, simply @mention a tag (type @ and the tag name) in your message and select the tag from the list.The tag will appear just like any @mention, and the people associated with the tag will be notified.