To access wp-admin, you have to access from the link I have given you. – it redirects to https://prnt.sc/q_JlfbcP-8s7 Is there any restriction, for example, by ip?
I have just accessed FTP with the data I have given you, could it be that it is blocked for outside Spain? – contact your hosting provider to clarify it.
One standard license is valid only for 1 project. Running multiple projects on a single license is a copyright violation.