In order for you to play War Thunder on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
Most modern 64bit Linux distributions
Processor (CPU):
Dual-Core 2.4 GHz
Memory (RAM):
4 GB RAM
Graphics Card:
NVIDIA 660 with latest proprietary drivers (not older than 6 months) / similar AMD with latest proprietary drivers (not older than 6 months; the minimum supported resolution for the game is 720p) with Vulkan support.
Network:
Broadband Internet connection
Storage:
40 GB available space
In order to play War Thunder on Linux with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
Ubuntu 20.04 64bit
Processor (CPU):
Intel Core i7
Memory (RAM):
16 GB RAM
Graphics Card:
NVIDIA 1060 with latest proprietary drivers (not older than 6 months) / similar AMD (Radeon RX 570) with latest proprietary drivers (not older than 6 months) with Vulkan support.
Network:
Broadband Internet connection
Storage:
95 GB available space