If you have the Legacy CD key or the old Steam install, (Steam automatically upgrades you). If you are buying new, don't go hunting for an old DVD—just spend the $20 on the Anniversary Edition.
This is the modern standard for the Anniversary Edition. It uses DirectX 11 titan quest anniversary edition enhanced vs legacy top
While the Legacy engine feels stuck in 2006, the Enhanced engine rewrites how the game handles heavy combat encounters. Frame Rate and Stuttering If you have the Legacy CD key or
Titan Quest: Anniversary Edition (Enhanced) is the definitive way to play. The Legacy version is a museum piece—interesting to visit, but you wouldn’t want to live there. It uses DirectX 11 While the Legacy engine
: Works on legacy graphics cards that lack modern driver support. Windows 7, XP, or 32-bit operating systems. Low-end legacy hardware or retro PC builds.