If you own the game legally, you should and allow Steam to update the game automatically. The current official version includes all fixes from Patches 1 through 5, making standalone update files unnecessary and potentially harmful.
: Added a new UI option based on the original SNES look, optimized for keyboards and controllers. Chrono.Trigger.Limited.Edition.Patch.2.Update.rar
The official Patch #2 Update (released May 16, 2018) addressed major fan complaints regarding the game's initial mobile-to-PC port: If you own the game legally, you should
: Adjusted world map character sprites to better reflect the classic pixel art. If you own the game legally