Learn how to use the Activation troubleshooter to resolve common activation issues in Windows.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

This article answers common questions about Microsoft Authenticator. Select the headings below to see more information.

Learn how to receive a refund or exchange for items purchased from Microsoft.

Obtenga información sobre cómo activar Windows con una clave de producto o una licencia digital, comprobar el estado de activación y vincular su cuenta de Microsoft.

After launching an Office app, you might receive a message that says Get genuine Office.. If you see this, we've determined that the Office product installed on your device isn't legitimate and you may be a victim of software counterfeiting.

To use your microphone with apps on Windows 10, you'll need to turn on some permissions in Microphone settings. Then, you'll need to check your app permissions if you want to use your microphone with apps.

Microsoft .NET Framework 4.8.1 is a highly compatible and in-place update to .NET Framework 4.8. It includes native support for the Arm64 architecture (Windows 11+), accessibility improvements as well as other improvements.

Learn how to redeem your Microsoft Rewards points for a huge variety of great products and sweepstakes.

Learn how to set up Microsoft Family Safety to manage screen time, filter content, and share location with your family members.