Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

Learn how to use the PC Health Check app to help you improve your device performance.

Learn how to sign in to your Hotmail account, now known as Outlook.com, and access your emails.

Learn how to find and change settings in Windows. Find your Windows settings in a snap! Select the Start button, then select Settings .From there, browse the categories or use search to find what you're looking for.

If you’re working on a Windows PC and want the apps and content from another device to show on your PC screen, you’ll want to consider mirroring that device‘s screen or projecting it to your PC.

Hotmail está ahora Outlook.com. Aprenda a iniciar sesión para acceder a su cuenta de correo electrónico de Outlook.com, Hotmail, Live o MSN.

Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

如何将 IF 函数 (与 Excel 中) AND、OR 和 NOT 函数结合使用，以在给定值之间进行逻辑比较。

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.