For the home license you need to login to the sophos license environment and then first DELETE the expired license. Only then will you be able to create a new home use license.
Managing several Sophos firewalls both at work and at some home locations, dedicated to continuously improve IT-security and feeling well helping others with their IT-security challenges.
That's not the right place to get a home license, Micio.
Search here - I know several here have given explicit instructions.
Cheers - Bob