You can buy it online here, for example:
http://www.gamersgate.com/DD-SFURY/s...y-kharkov-1942
It is an excellent WWII tank sim, and it is becoming even better with the "Steel Panzer Mod". They have just released the SPM 1.5 beta version and it looks great !!!
If you want to enjoy a WWII tank sim buy Steel Fury !!!
Txema