查找 Windows 7 或 Windows 8.1 的产品密钥. 卸载或重新安装 Windows 7 或 Windows 8.1 时，通常需要产品密钥。 通常，如果购买的是实物 Windows 拷贝，产品密钥应该在标签上或者在 Windows 随附包装盒中的卡上。

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For more details about customizing your background, see Change your background for a Teams meeting.. Use video filters. Customize your video feed with the video filters like Soft focus and Adjust brightness. Soft focus creates a smoothing effect for your face over video.Adjust brightness enhances the video quality when lighting is poor. To learn more about video filters, see Apply video ...

After the General tab, channels are organized alphabetically. You can't change the order, but you can show or hide them as desired. Select More options next to a channel, then Show or Hide. Want to get a team back in your list? Scroll to the bottom. Under Hidden teams, find the team you want back and select More options > Show. Related articles

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使用 Windows IME 键盘进行键入和墨迹书写时，可能会收集数据以改进语言识别和建议功能。 若要在 InPrivate 和普通浏览窗口中使用 Windows IME 键盘时停止墨迹书写和键入数据，请转到 Windows 设置 > 隐私 & 安全> 墨迹 & 键入个性化。

Get the latest Xbox support information and updates for your console, games, and apps. See if there are any service outages or issues affecting your Xbox experience.

培训：PowerPoint 演示者视图显示当前幻灯片、下一张幻灯片和演讲者备注，以帮助你在演示和与受众联系时集中注意力。 观看本视频了解如何操作。

如果出现“让我们开始吧”屏幕，其中包含试用、购买或激活 Office 的选项，这意味着新电脑安装的 Office 为 Microsoft 365 家庭版 1 个月试用版。只有支付 Office 产品密钥卡的相关费用，才会从电脑制造商处收到密钥。 你可开始试用 Microsoft 365 家庭版，也可购买 Office。

如何兑换礼品卡、Xbox 下载代码或令牌. Microsoft 和 Xbox 礼品卡以及下载代码和令牌的工作方式相同：兑换到 Microsoft 帐户后，可以在 Windows 或 Xbox 上将余额用于Microsoft Store 在线商店，并且可以获取最新应用、游戏、电影、电视节目以及 Surface、Xbox 和配件的下载。