如果最近安装了 Windows 更新并且遇到问题，下面介绍如何卸载更新以尝试解决问题： 选择“开始” 按钮，然后选择“设置 >更新&安全 > Windows 更新> 查看更新历史记录 >卸载更新。 查看更新历史记录设置

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培训：向 PowerPoint 演示文稿中的文本、图片、形状和对象添加动画和效果。 观看此视频以了解如何操作。

There are a few common scenarios in which Windows running on a PC might be discovered to be non-genuine during validation. Repairs. If your PC has been repaired, you might start to see messages on your desktop that Windows isn't genuine.

First time, infrequent senders, or senders marked [External] - While it's not unusual to receive an email or Teams message from someone for the first time, especially if they are outside your organization, this can be a sign of phishing.Slow down and take extra care at these times. When you get an email or a Teams message from somebody you don't recognize, or that Outlook or Teams identifies ...

Focus is a new feature in Windows 11 that helps you minimize distractions. To help you stay on track, it integrates with the Clock app with features like a focus timer and music integration.

Going passwordless refers to removing your password and using a passwordless method to sign in instead. Passwordless solutions such as Windows Hello, the Microsoft Authenticator app, SMS or Email codes, and physical security keys provide a more secure and convenient sign-in method. While passwords can be guessed, stolen, or phished, only you can provide fingerprint authentication, or provide ...

若要手动选择主题色，请在“ 最近使用的颜色 ”或“ Windows 颜色”下选择一种主题色，或选择“ 自定义颜色 ”以获取更详细的选项。或者选择“ 从背景中自动选取主题色 ”框，让 Windows 选择该颜色。你选择的主题色将有助于偏移和补充浅色模式。

在 Web 浏览器下，选择当前列出的浏览器，然后选择 Microsoft Edge 或其他浏览器。

安装 Visio (Visio 计划 2 或 Visio Professional) 下面介绍如何安装Visio 计划 2 附带的桌面应用，以及 Visio Professional 或 Visio Standard 2021、2019 或 2016 的非订阅版本。 若已拥有Visio 计划 1，请参阅“Visio for the web”选项卡下的步骤。 步骤 1：将 Visio 与你的帐户关联