Kk.7z <99% LIMITED>

Locate your KSP directory (usually SteamLibrary\steamapps\common\Kerbal Space Program ). Open the GameData folder.

To give you the most accurate guide, could you tell me or what game/software you were looking for when you came across it? This will help me confirm if it's the SpaceX mod or something else entirely.

Extract the contents of kk.7z directly into the GameData folder.

Full-scale models with realistic engine clusters and stage separation.

Rarely, custom user-made installers for codec packs use short abbreviations.