The method for obtaining Patch 1.05 depends on which version of the game you own:
It addresses critical stability issues, including the notorious "alt-tab" crash that plagued players on modern versions of Windows.
The patch enables official Steam Workshop support, allowing players to easily download and manage mods directly through the Steam client.
It matches the game’s internal code to a state that allows for compilation with modern tools like Visual Studio 2015+.
This update primarily serves as a bridge for the game’s longevity on modern systems: