Learn how to upgrade from Windows 10 Home to Windows 10 Pro or Windows 11 Home to Windows 11 Pro, including how to use a valid product key or the Microsoft Store.

Learn how to download and install apps you need from your Microsoft 365 business subscription.

Learn how to switch out of S mode to install apps from outside of the Microsoft Store or to upgrade to Windows 11.

Learn about different things you can try to fix Ethernet network connection problems in Windows

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

If you changed your hardware in order to upgrade to Windows 11 and the system is not recognizing the change in a timely manner, this article explains how to initiate the assessment manually.

O Hotmail agora está Outlook.com. Para entrar no Outlook.com e acessar sua conta de email do Outlook, Hotmail, Live ou MSN.

Learn how you can free up drive space in Windows. Keep your PC running smoothly and up to date by increasing the disk space.

Internet Explorer 11 支持已于 2022 年 6 月 15 日结束。 如果访问的任何网站需要Internet Explorer 11，则可以在Microsoft Edge中使用Internet Explorer模式打开它。

Training: Get started with SharePoint in Microsoft 365. At office.com, sign in to SharePoint, then select the SharePoint tile.