An upgrade moves your PC from a previous version of Windows—such as Windows 7 or Windows 8.1—to Windows 10. An upgrade can take place on your existing device, though Microsoft recommends using Windows 10 on a new PC to take advantage of the latest features and security improvements.

Microsoft Edge 是 Microsoft 推荐的浏览器 Internet Explorer 11 在 Windows 7 上不再受支持。 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。

设置页眉和页脚，为文档的不同部分提供不同的内容。 单击“链接到前一节”以将其关闭，并取消链接上一节中的页眉或页脚。

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Microsoft Defender是一种新的安全应用，可帮助跨所有设备保护你和你的家人;Windows、Android、Mac 和 iOS。 当你首次在 Android 上登录到Microsoft Defender 时，我们将引导你完成几个从设置 Web 保护开始的简单步骤。在此过程中，我们将要求你授予 ...

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To access your sign-in options, go to Start > Settings > Accounts > Sign-in options.. Or just select this button: Go to Sign-in options. Change or manage your password or PIN. To change your password or PIN, go to Start > Settings > Accounts > Sign-in options. Select PIN (Windows Hello), and then select Change PIN.

减少嵌入字体的字符集 为了使演示文稿更易于与系统中字体不相同的其他人共享，通常嵌入你使用的字体。 但是，嵌入的字体会增加文件大小。 若要最大程度地减少文件增加，请仅嵌入演示文稿中使用的字符。

Learn how to update Windows to ensure your device operates smoothly and securely with the latest features.

The Calculator app for Windows is a touch-friendly version of the desktop calculator in previous versions of Windows. You can open multiple calculators at the same time in resizable windows on the desktop and switch between Standard, Scientific, Graphing, Programmer, Date calculation, and Converter modes.. To get started, select the Start button, and then select Calculator in the list of apps.