minimal:
reqprocessor: Intel Core i3, i5, or i7 CPU with 2 or more cores, or AMD equivalent
reqgraphics: video card from NVIDIA or AMD w/512 MB VRAM with proprietary driver
reqmemory: 8 GB RAM
reqdiskspace: 20 GB available space
reqsystem: Varies, Ubuntu 16.04LTS tested
reqother: The disk requirements are based on how many world scenery areas are downloaded. Minimum with one scenery area is 20 GB . Additional scenery areas can be downloaded at no charge at any time after purchase

recommended:
reqprocessor: Intel Core i5 6600K at 3.5 ghz or faster
reqgraphics: video card from NVIDIA or AMD w/4 GB VRAM with proprietary driver
reqmemory: 16 GB RAM
reqdiskspace: 65 GB available space
reqsystem: Varies, Ubuntu 16.04LTS tested
reqother: The disk requirements are based on how many world scenery areas are downloaded. Minimum with one scenery area is 20 GB . Additional scenery areas can be downloaded at no charge at any time after purchase