In order for you to play RAD on Windows with minimal graphics settings, your computer must meet the following requirements
Requires a 64-bit processor and operating system
OS *:
Windows 7 SP1 or Windows 10 (64-bit)
Processor (CPU):
Intel Core i5-2400, 3.10 GHz / AMD FX-8350, 4.00 GHz
Memory (RAM):
4 GB RAM
Graphics Card:
Nvidia GTX 780, 3 GB / AMD RX 470, 4 GB
DirectX:
Version 11
Storage:
6 GB available space
Sound Card:
DirectX compatible soundcard or onboard chipset
In order to play RAD on Windows with maximum graphics settings, you need a computer with a configuration no worse than the following
Requires a 64-bit processor and operating system
Operating System:
Windows 10 (64-bit)
Processor (CPU):
Intel Core i5-4570, 3.20 GHz / AMD Ryzen 5 1400, 3.20 GHz
Memory (RAM):
8 GB RAM
Graphics Card:
GeForce GTX 980, 4 GB / Radeon RX Vega 64, 8 GB
DirectX:
Version 11
Storage:
6 GB available space
Sound Card:
DirectX compatible soundcard or onboard chipset