While there is no permanent, universal "free download" for the complete (Act I-V), there are legitimate ways to access the full experience through existing subscriptions or explore free standalone content from the developers. Where to Play the Full Game (Acts I-V)
: A telephone-based guide to the Echo River. Kentucky Route Zero Free Download (Act I-V)
The "PC Edition" includes all five acts and the interludes. It is available for purchase on Steam , GOG (DRM-free), and the Humble Store . While there is no permanent, universal "free download"