World of Tanks is a free massively multiplayer online game dedicated to armored warfare in the mid-20th century. Throw yourself into epic tank battles shoulder to shoulder with other steel cowboys to dominate the world with tank supremacy!
The enormous fleet of tanks at your disposal includes more than 150 vehicles engineered and produced in Germany, the Soviet Union and the United States from legendary World War II tanks to experimental models and prototypes which never made it onto the battlefield.
Minimum system requirements for the game client:
Operating system: Windows XP/Vista/7
Processor (CPU): Intel from 2.2 GHz or equivalent AMD Family
(RAM): minimum of 1.5 GB for Windows XP, 2 GB for Windows Vista / 7
Free hard disk space: At least 3.5 GB
Video Card: Shader Model 3.0 GeForce 6800GT with 256 MB of RAM / ATI X800 with 256 MB RAM, DirectX 9.0c
Sound Card: DirectX 9.0c compatible
Internet connection speed: at least 128 Kbps
Register here then Download the client here. (Note, that's the N.A. only installer, if you happen to live in the wasteland known as "The Rest Of The World", you'll have to go to the website.)