Terraria version , released in June 2020, stands as a critical stabilization milestone for the massive Journey's End update. While the game is not legally available as a "free download" for PC, it is frequently discounted on official storefronts like Steam and GOG for as little as $5.00–$10.00.

Released on , version 1.4.0.5 was a critical chapter in stabilizing the game after the 1.4 "Journey's End" launch.

was updated so it can now be used in the sky, not just on the surface. Bestiary Completion Black Slimes Blue Jellyfish

1.4. 0.5 was a hotfix update for the Desktop version released on June 4, 2020. 1.4.0.5 - Official Terraria Wiki

From inventory glitches to boss AI pathing, 1.4.0.5 cleared the road for a smoother "Journey’s End." The Journey’s End Experience

Even if you are targeting the 1.4.0.5 patch, you are entering the world of Journey's End . This era added:

PC players saw significant "Extra Quality" boosts in frame rate stability, especially during heavy particle-effect events like the Lunar Pillars or Martian Madness.