Hi @Joaquin López
Please redeem the key from this address https://redeem.microsoft.com and https://office.com/setup for a check.
You may also try switching networks (Such as Mobile hotspot, proxy) and browsers.
If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in [our documentation][1] to enable e-mail notifications if you want to receive the related email notification for this thread.