Tip: If you're a Microsoft 365 Family or Personal subscriber you get Microsoft Defender, our advanced security software for Windows, Mac, iOS, and Android, as part of your subscription.Learn more at Getting started with Microsoft Defender.

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.

Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.

Note: If you don’t want to start your Surface from your USB drive, make sure the drive isn't inserted in the USB port on your Surface when you start it.

Get started with basic tasks in Excel such as opening a workbook, entering and formatting data, calculating data, and trying some quick analysis features..

Learn how to change settings to enable Secure Boot if you are not able to upgrade to Windows 11 because your PC is not currently Secure Boot capable.

There are two ways to open Registry Editor in Windows 10: In the search box on the taskbar, type regedit, then select Registry Editor (Desktop app) from the results.

如果在设置中打开用与首选语言不同的语言编写的页面，Microsoft Edge会自动提示你翻译它。 转到用外语编写的网页时，“翻译”图标 显示在地址栏中。 如果语言未包含在设置中的首选语言列表中，则该语言被视为外在语言。

Learn how to join a Microsoft Teams meeting if you don't have an account. Join a Teams meeting as a guest in the Windows app or on the web.

Para obter suporte no Outlook.com, clique aqui ou selecione Ajuda na barra de menus e digite sua consulta. Se a autoajuda não resolver seu problema, role para baixo até Ainda precisa de ajuda? e selecione Sim.. Para entrar em contato conosco no Outlook.com, você precisará entrar.