Minimum System Requirements
Windows
OS:
Windows 2000/XP Processor:
Pentium 4 or Athlon XP 1.5GHz RAM:
384MB RAM Video card:
DirectX 9.0b compatible 64MB Sound card:
DirectX 9.0b compatible Disk space:
2.2GB 
MAC
DOOM 3 is not officially supported on macOS. However, some users have managed to run the game using Windows emulation software or by installing Windows on a separate partition via Boot Camp
Linux
OS:
Linux with glibc 2.2.4 Processor:
Pentium 4 or Athlon XP 1.5GHz RAM:
384MB RAM Video card:
NVIDIA GeForce 3/Ti or ATI Radeon 8500 Sound card:
OSS or ALSA compatible Disk space:
2.2GB Recommended System Requirements
Windows
OS:
Windows 2000/XP Processor:
Pentium 4 2.0GHz or Athlon XP 2500+ RAM:
512MB RAM Video card:
DirectX 9.0b compatible 128MB Sound card:
DirectX 9.0b compatible Disk space:
2.2GB MAC
DOOM 3 is not officially supported on macOS. However, some users have managed to run the game using Windows emulation software or by installing Windows on a separate partition via Boot Camp
Linux
OS:
Linux with glibc 2.2.4 Processor:
Pentium 4 2.0GHz or Athlon XP 2500+ RAM:
512MB RAM Video card:
NVIDIA GeForce FX 5600 or ATI Radeon 9600 Sound card:
OSS or ALSA compatible Disk space:
2.2GB We recommend playing DOOM 3 on a Windows PC that meets or exceeds the recommended system requirements. If you're trying to play on a Mac or Linux, be prepared for potential technical issues and performance changes.
