Tank Arena:Total Operation is a free MMO war game where you play as a commander, drive thousands of types of tanks, armored vehicles or helicopters on a massive battlefield engaging in 12v12 team-based battles against players globally. Enjoy the fun!
System Requirements
Minimum:
Requires a 64-bit processor and operating system
OS *: Windows 7
Processor: Intel Core i5
Memory: 4 GB RAM
Graphics: NVIDIA GeForce GT 740
DirectX: Version 9.0
Network: Broadband Internet connection
Storage: 7 GB available space
https://store.steampowered.com/app/3253830/Tank_ArenaTotal_Operation/