Learn how to change the refresh rate for your display in Windows to determine how smoothly motion appears on your screen.

Contact Microsoft Office Support for assistance with Microsoft 365, Office, Windows, Xbox, Surface products and more.

了解如何使用 PIN、面部识别或指纹通过 Windows Hello 登录电脑。

Puedes actualizar de Windows 10 a Windows 11 si tu dispositivo cumple las especificaciones de hardware y si la versión de Windows 11 está disponible para el dispositivo.

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Learn how to install the latest version of DirectX to enable games and multimedia applications on your system.

If you’re having problems getting connected to a network and can’t get onto the Internet, here are some things you can try in Windows.

How to enable automatic forwarding in new Outlook. At the top of the page, select Settings .

Open and edit PDF content in Word. To edit a PDF, open it in Word. This works best with PDFs that are mostly text.

How to use the LOOKUP function in Excel to search in a single row or column and find a value from the same position in a second row or column.