Hello Ownedcore!
I found a link on the net and i claimed 10 days of gametime!
My account was FROZEN,but i gave the link to a friend with ACTIVE account and he claimed the 10 days too.
I don't know if it's bug for his active account but it works 100% for FROZEN ones!
This is the link!
https://eu.battle.net/account/creation/wow/signup/
You must see this screen:Attachment 11351
I hope to enjoy your free 10 days!