War Thunder is the most comprehensive free-to-play, cross-platform, MMO military game for Windows, Linux, Mac and PlayStation®4 dedicated to aviation, armoured vehicles, and naval craft from World War II and the Cold War. It's an action game developed and published by Gaijin Entertainment in 2013.
System requirements for desktop computers as stated by the developer. Updated on February 4, 2020.
The system requirements are modest, but it's recommended to have a dedicated graphics processing unit for successfully playing War Thunder. GeForce GTX 980M or better mobile GPU is needed.
Most gaming laptops meet the RAM requirement of 8gb, though 4gb is enough to meet the minimum requirements.
Also, note that at least 9gb of disk space is needed.