How to check if an app or program is installed in Windows 10
To find out if an app or program is installed in Windows 10, select Start > Settings > Apps.
将 Windows 家庭版升级到 Windows 专业版 - Microsoft 支持
了解如何从 Windows 10 家庭版升级到 Windows 10 专业版或从 Windows 11 家庭版升级到 Windows 11 专业版，包括如何使用有效产品密钥或 Microsoft Store。
Create a meeting in Microsoft Teams (free) - Microsoft Support
In Microsoft Teams (free), you can start an instant meeting in no time! Easily reach out to your contacts, whether you're in a spontaneous mood or require a last-minute meeting.
Applies To:
Microsoft Teams, Microsoft Teams personal
Get started with PowerPoint for the web - Microsoft Support
Learn how to get started with PowerPoint for the web from Office.com and create presentations online.
Applies To:
PowerPoint for the web
Update for Universal C Runtime in Windows - Microsoft Support
Describes an update for Universal C Runtime (CRT) in Windows 8.1, Windows RT 8.1, Windows Server 2012 R2, Windows 8, Windows RT, Windows Server 2012, Windows 7 SP1, Windows Server 2008 R2 SP1, Windows Vista SP2, or Windows Server 2008 SP2.
Speech, voice activation, inking, typing, and privacy
Learn more about the privacy settings for speech, voice activation, inking, and typing in Windows.
Set up the Microsoft Authenticator app as your verification method
Set up the Microsoft Authenticator app from the Security info page. Depending on your organization’s settings, you might be able to use an authentication app as one of your security info methods.
Download files from the web - Microsoft Support
Learn how to download files from the web, change your default download location, and find files you've downloaded on your PC using Internet Explorer.
Administrar cuentas de usuario en Windows - Soporte técnico de Microsoft
Aprende a agregar cuentas de usuario en Windows 10 y Windows 11. Con una cuenta, cada persona tiene archivos independientes, sus propios favoritos del explorador y un escritorio privado.
Use Magnifier to make things on the screen easier to see
Learn how to make items on the screen appear larger by using Magnifier in Windows.