Skip to main content
Apply the latest ARR updates with the new Watercom Climate Change Rainfall Modifier.

Seen the new updates to ARR? Apply the latest climate change science to your models using the new Watercom Climate Change Rainfall Modifier!  

View the minimum PC specifications to run DRAINS.

For best performance:
  • High performance / desktop replacement CPU, with multiple cores and hyperthreading
  • Example: Intel i7 10700K or AMD Ryzen 7 3800X
  • 16GB RAM or greater
  • Windows 11 64-bit