You can download the latest free builds directly from the official Bay 12 Games website .
: Unlike the original ASCII-only versions, v50.01 (Classic) includes the updated pixel art graphics, new tilesets, and a mouse-driven interface originally developed for the paid Steam release. Dwarf Fortress Free Download (v50.01)
Here are the key features of the free v50.x (Classic) release: You can download the latest free builds directly