Please email your account application to old-school@thegame.com
Account Application should include the following -

Name:
Age:
Location:
E-mail:
Any wow experience:
Why you want to play Old-School WoW:
Requested Login name and password:
Alternate Login name in case first one is taken:

You will receive an e-mail shortly to confirm account activation.
If for some reason you have not received confirmation within 72 hour please send again.

I will try and check daily for more applications