Get security info and tips about threat prevention, detection, and troubleshooting. Including tech support scams, phishing, and malware.

Here are a few different ways to find help for Windows. Search for help - Enter a question or keywords in the search box on the taskbar to find apps, files, settings, and get help from the web.

Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

Learn how to calibrate your HDR display by using the Windows HDR Calibration app that you can download from the Microsoft Store.

An introduction to the new Outlook for Mac. For other requirements, see the System requirements for Office. Turn new Outlook on or off How to try the new experience

Aprende a usar la aplicación Comprobación de estado del PC para ayudarte a mejorar el rendimiento del dispositivo.

Restrictions Invalid characters. Applies to: Certain characters have special meanings when used in file names in OneDrive, SharePoint, Windows and macOS, such as "*" for wildcards, and "\" in file name paths.

Learn how to change the IP address or DNS settings for Windows PCs on your network.

How to use the COUNTIFS function in Excel to apply criteria to cells, across multiple ranges, and count the number of times all criteria are met.

Find out the steps you can take if you receive a message telling you a driver can't load on your device.