Steam account is required for game activation and installation 

PC System Requirements
MINIMUM:
Requires a 64-bit processor and operating system
OS: Windows 7/8.1/10 x86/x64
Processor: Intel Core i3-530 (4 * 3000) or equivalent
Memory: 2 GB RAM
Graphics: Geforce 9800 GT (1024 MB)
Storage: 800 MB available space

RECOMMENDED:
Requires a 64-bit processor and operating system
OS: Windows 7/8.1/10 x86/x64
Processor: Intel Core i3-6300 (2*3800) or equivalent
Memory: 2 GB RAM
Graphics: GeForce GTX 560 Ti (1024 MB)
Storage: 800 MB available space

MAC System requirements 
MINIMUM:
Requires a 64-bit processor and operating system
OS: Mac OS 10.14 Mojave
Processor: 1.1GHz quad-core Intel Core i5
Memory: 2 GB RAM
Graphics: Intel UHD Graphics 617
Storage: 800 MB available space

RECOMMENDED:
Requires a 64-bit processor and operating system

Linux System requirements 
MINIMUM:
Requires a 64-bit processor and operating system
OS: Ubuntu 16.04 or higher/Mint 18.1 x64
Processor: AMD Phenom 9850 (4 * 2500) or equivalent
Memory: 2 GB RAM
Graphics: Radeon HD 4850 (1024 MB)
Storage: 800 MB available space

RECOMMENDED:
Requires a 64-bit processor and operating system
OS: Ubuntu 16.04 or higher/Mint 18.1 x64
Processor: AMD FX-8320 (8 * 3500) or equivalent
Memory: 2 GB RAM
Graphics: Radeon HD 6970 (2048 MB)
Storage: 800 MB available space

The sequel to the Steam chart-topping WW2 management simulator, Bomber Crew! Space Crew is the brand new strategic simulation game, boldly taking you where no one has gone before!