How to associate it with play store?
I also want to download from play store but it says device not recognized
Your Apple ID gets disabled for one of two reasons: either you tried to log in too many times using the wrong password or wrong security answers, or because you owe the iTunes Store money or have a problem with your account.
In this case, I'd say you need to talk to the iTunes folks to get this straightened out. Probably a money issue. Here's how to connect with them: iTunes - Official Apple Support