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

Learn new and useful keyboard features, tips, and tricks for Windows with this overview from Microsoft Support.

Microsoft's products and services work best if you use the same language and region across all your devices, and in all of your app and Store settings.

If you are having trouble with your microphone features, the following information can help you troubleshoot and resolve issues.

Learn how to find and install digital downloads from Microsoft Store. See instructions to download and install software directly purchased from Microsoft.

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

Obtenga información sobre cómo instalar, reinstalar o activar Microsoft 365 u Office 2019 en un equipo PC o Mac.

Follow these steps to temporarily turn off Defender antivirus protection in Windows Security. Keep in mind that if you do, your device may be vulnerable to threats.

You can choose which apps will start automatically when you start your device.

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.