Thurrott's screens don't have watermarks. Could he have an activated install? Cause I don't expect him to fiddle around with builds...
Yeah that means activation servers are up and running for 8.1, or it was KMS which means KMS host keys can be activated.
Just get the hell out of here, troll. You don't have access to any win8.1 image. Your fake screenshots already prove that.
It uses a retail windows 8 key so if you have windows 8 you have a key for 8.1 he just installed with windows 8 key (or a friend did). It will activate just the same after install if connected to net.