Quick answer: Steam lists Windows 10, 12 GB RAM, and an i7-7700K or Ryzen 5 1600X class CPU as minimum; Mac minimum is macOS 15, Apple M1 or newer, and 16 GB RAM.
Windows recommended
The current Steam listing recommends Windows 11, 16 GB RAM, an i5-10600K or Ryzen 7 3700X, and a GTX 1070, RX 5600 XT, or Intel Arc A750 class GPU.
Mac recommended
The Steam listing recommends macOS 15, an Apple M3 or newer, and 16 GB RAM. Check the live store before purchase because requirements can change.
Keep walking
Big Walk Platforms: Current Official List
Check the dated official Big Walk platform list for Windows, Mac, PlayStation 5, and Nintendo Switch 2 without repeating old store rumors.
Big Walk Lag, Jitter, and Low FPS FixesSeparate Big Walk network jitter from low frame rate, then apply official bandwidth, host-performance, render-scale, and graphics-quality checks.