Originally Posted by Usta
Go to Settings-Accounts&Sync in your phone and add your Gmail account (you need internet connection). Then sync your phone, then go to Market and sign-in with the same info. After that you should be able to install apps.
I did it but still I have a problem!
when I login with my Gmail account and press "Install" in site it gives me this error:
There are no Android phones associated with this account. Please sign in with a different account.
and when I check "my market Account" I have this error:
You have no orders for this account.