https://support.microsoft.com/en-us/windows/activate-windows-c39005d4-95ee-b91e-b399-2820fda32227

You can download it from this link: http://officecdn.microsoft.com/pr492350f6-3a01-4f97-b9c0-c7c6ddf67d60/media/pt-pt or it or fr.... /ProPlus2021retail.img

the key is activated online, from the official Microsoft website: https://setup.office.com/