It sounds like you're referring to a file name for a potentially cracked or pirated copy of Kerbal Space Program (version 1.12.5.3190, with “incl al full” likely meaning “includes all full content” or “all DLCs”).
: With all DLCs, the sheer amount of content and "Easter Eggs" hidden across the Kerbol system is staggering. Installation & Compatibility Tips file kerbalspaceprogramv11253190inclal full
: This version benefits greatly from forcing DX11 or OpenGL on certain systems to improve memory management. It sounds like you're referring to a file
C:\Program Files (x86)\Steam\SteamApps\common\Kerbal Space Program full ) is unofficial
If you're looking for features or information about Kerbal Space Program version 1.12.5, here are some key points:
Note: The legitimate final version of KSP is v1.12.5 (build 3190). That part is real. Everything else around it (file, inclal, full) is unofficial, suspicious, or a typo.
: Addressed long-standing issues with docking ports, lighting, and save-game stability to ensure the game remains playable for years to come. Why Stick with KSP 1? Kerbal Space Program 2