Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.

Do you need some help installing Quick Assist? For the best experience, download and install the new version of the Quick Assist app from Microsoft Store. If you have problems installing Quick Assist, here are some steps to try to get it installed and working properly.

Learn how to download, install, and configure additional language packs for your version of Windows.

System requirements and setup steps for the Phone Link app

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

Find answers to top questions about upgrading to Windows 11, from the minimum hardware requirements to where to find the upgrade.

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.

Si vous ne parvenez pas à vous connecter à votre compte de messagerie Outlook.com, Hotmail, Live ou MSN, ou si vous ne savez pas comment vous connecter ou vous déconnecter, voici quelques solutions.

Learn how to troubleshoot when the camera is not working in Windows or you see errors 0xA00F4244 or 0x200F4244.

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.