尚未运行 Windows 11？ 请参阅激活 Windows或激活 Windows 7 或 Windows 8.1。. 尝试“激活疑难解答” 如果运行的是 Windows 11，并且最近更换了重要的硬件（如更换主板）或重新安装了 Windows，则“激活疑难解答”有可能帮助重新激活 Windows。

注意 为了帮助我们更好地保护你的帐户，请告诉我们购买的人是你家庭中的某人还是你认识的其他人。 你可以提供有关进行此购买的人员以及购买者是在你的帐户还是他们的帐户上进行的其他详细信息。

该验证方法目前不起作用：有时块可能绑定到你正在使用的验证方法。尝试使用连接到帐户的其他验证方法。 例如，如果使用短信验证自己并遇到阻止，请尝试使用连接到帐户的备用电子邮件来接收授权代码。

Learn how to format text, add graphics, and more in Word documents. Create professional-looking documents with ease using our step-by-step guide. Try it now!

How does multifactor authentication work? Let's say you're going to sign into your Microsoft account or work or school account, and you enter your username and password.If that's all you need then anybody who knows your username and password can sign in as you from anywhere in the world!

Here's how to change the size of text, images, and apps in Windows. To change your display in Windows, select Start > Settings > Accessibility > Text size.To make only the text on your screen larger, adjust the slider next to Text size.To make everything larger, including images and apps, select Display , and then choose an option from the drop-down menu next to Scale.

登录到 microsoft365.com 以查看Microsoft 365 工作或学校帐户。 登录. 安装和管理应用。 在 Office 应用 卡上，选择“ 管理”，然后选择“ 安装 ”以安装或重新安装最新的桌面应用或其他应用，例如 Project 或 Visio 。(只要管理员 为你分配了许可证 并授予你自安装的权限，安装选项就可用。

Note: If you are in tablet mode, desktop icons are not displayed.To see your desktop icons in tablet mode, go to Start > Settings > System > Tablet, then select Change additional tablet settings.Under When I'm using tablet mode, make sure that Hide app icons on the taskbar and Automatically hide the taskbar are both set to Off.

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.

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