Sites promising the "full version" for free often carry significant risks:

Listed at approximately $19.99 (50% off) for a Steam activation key. Risks of "Free Download" Sites

NVIDIA GeForce GTX 1060 (6 GB) or AMD Radeon RX 580 (8 GB) Storage: 70 GB available space (SSD recommended) Days Gone on Steam

Unverified downloads can expose your PC to security threats.

These files are often incomplete, poorly optimized, or fail to run correctly compared to the official Steam release.