Under , look for the Activate Product or Change Product Key button.

Este es el método más estable y recomendado por Microsoft. Si ya tienes un código de 25 caracteres, sigue estos pasos:

: Ve a Microsoft Setup e inicia sesión con tu cuenta de Microsoft.

That’s it. Now, the software is unlocked for 100% of features.

Never trust "free activation tools" from YouTube or torrent sites. Instead:

Ensure your Office is up to date, as updates may include improvements to the activation process.