In order for you to play Reign: Conflict of Nations on Windows with minimal graphics settings, your computer must meet the following requirements
OS *:
Windows XP/Vista
Processor (CPU):
Intel Pentium 2.4 GHz or similar
Memory (RAM):
512 MB (768 Mb for Windows Vista)
Video Card:
NVIDIA GeForce 6600 or ATI Radeon X650 with 128 MB, DirectX 9.0 compatible
Audio Card:
DirectX 9.0 compatible
HDD:
2 GB free HD space
In order to play Reign: Conflict of Nations on Windows with maximum graphics settings, you need a computer with a configuration no worse than the following
OS *:
Windows XP/Vista/7/8/10
Processor (CPU):
Intel Pentium IV 2.4 GHz, AMD Athlon 64 2800+ or Intel Pentium 1.8Ghz Dual Core and higher
Memory (RAM):
1 GB (2GB for Windows Vista)
Video Card:
NVIDIA GeForce 7800 or ATI Radeon X1800 with 256 MB, DirectX 9.0 compatible
Audio Card:
DirectX 9.0 compatible
HDD:
2 GB free HD space