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

Learn how to add an app to run automatically at startup. Select the Start button and scroll to find the app you want to run at startup.

Learn how to troubleshoot USB-C problems in Windows and fix USB devices, ports, and adapters not working properly.

Découvrez comment installer, réinstaller ou activer Microsoft 365 ou Office 2019 sur un PC ou Mac.

Install Office 2007. Insert your Office 2007 CD into the drive. If the setup wizard doesn’t start automatically, navigate to the CD drive and click SETUP.EXE.

Learn how to reinstall Windows on your PC and how activation works after it's installed.

An upgrade differs from an update in that it moves your PC from a previous version of Windows—such as Windows 10—to Windows 11. This FAQ is intended to answer questions about upgrading to Windows 11.

Windows Security is pre-installed on Windows 10 and ready for you to use at any time.

Word 2021 for Windows gives you new ways to create compelling content. This article provides an overview of the new features you can discover.

Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.