Before you start
Use this guide for Office 2019 product key licenses. Keep your product key private and follow Microsoft’s official setup or activation wizard flow.
Étapes d’activation
Prepare your Microsoft account
Use the Microsoft account you want to keep associated with the Office license.
Redeem or install Office
Use the official Microsoft Office setup or account page to redeem, download, or reinstall Office.
Activate inside an Office app
Open an Office app and complete the activation prompt using the correct account or product key.
Verify activation
Check the Account page inside Office to confirm the product is activated.
Dépannage
Multiple Office versions installed
Remove old conflicting Office versions, then reinstall and activate the purchased version.
Product key change needed
Use Microsoft’s instructions for changing the Office product key.
FAQ
Can support activate it for me?
Support can guide you, but activation must be completed through Microsoft’s official activation flow.