I notice you're asking about "KSP 112 download free." It sounds like you may be referring to Kerbal Space Program (KSP) , though the version number "112" isn't a standard release (KSP 1.12.x is the latest major version).
Official Demo: The KSP Team offers a free demo version that remains free to download and play. It provides a limited "sandbox" experience to help you decide if you want the full game.
To download and install KSP 1.12, your computer must meet the following system requirements:
If you have an active subscription to certain services, you may already "own" KSP.
Rating: ⭐⭐☆☆☆ (2/5) – Proceed with Caution