Kk.7z < RECENT · 2025 >

While the SpaceX mod is the most likely candidate, "KK" can occasionally refer to other niche projects:

Early and updated iterations of SpaceX’s next-generation Mars vehicle. While the SpaceX mod is the most likely

Locate your KSP directory (usually SteamLibrary\steamapps\common\Kerbal Space Program ). Open the GameData folder. While the SpaceX mod is the most likely