Guía basada en fuentes oficiales

Office 2021 Professional Plus Activation Guide

Guide for redeeming and installing Office 2021 Professional Plus using Microsoft official setup pages and activation prompts.

DificultadEasy
Tiempo estimado10 minutos
Tipo de licenciaClave de producto
Última verificación7 jul 2026
Estado de la guíaVerificada

Before you start

Sign in with the Microsoft account you want to associate with the license, redeem the key on the official Office setup page when applicable, then install and activate Office.

Pasos de activación

Open the Office setup page

Go to the official Microsoft Office setup page and sign in with your Microsoft account.

Ilustración de Open the Office setup page

Redeem the product key

Enter the product key exactly as delivered, then continue through Microsoft’s setup flow.

Ilustración de Redeem the product key

Download and install Office

After redemption, download and install the Office apps from your Microsoft account or the setup page.

Ilustración de Download and install Office

Open an Office app to activate

Open Word, Excel, or another Office app and follow the activation prompt if it appears.

Ilustración de Open an Office app to activate

Solución de problemas

Wrong Microsoft account

Use the account that redeemed the product key. A key can usually only be redeemed once.

Activation wizard appears

Follow the Microsoft Activation Wizard prompts and sign in with the correct account.

Preguntas frecuentes

Where do I enter an Office key?

Microsoft directs customers to the correct setup site for their Office product key.