Official files for this version can still be retrieved via a Private Division account if you previously purchased the game. [1.12.x]Craft Import released - Kerbal Space Program Forums

: This shorthand suggests the package includes the main game plus both major expansions:

in existence, many players prefer v1.12.5 for a few reasons: Mod Support : A decade of community mods (like Galileo's Planet Pack ) are fully optimized for this specific version. Performance

Instead, search for: ✅ Kerbal Space Program 1.12.5 download — then buy from Steam/GOG ✅ KSP 1.12.5 full version all DLCs — use official store bundles ✅ KSP 1.12.5 build 3190 — technical reference only