- All features
- The first 30 days it's Trial, after Free license
- Software versions - Comparison table
If you're trying to for this specific version or having trouble running the game on your PC, let me know! I can also help if you're looking for: The minimum system requirements to run v1.12.3 smoothly. A guide on how to install the CKAN mod manager . Tips for your first orbit in the career mode.
: The most common way to play; handles updates automatically. Kerbal Space Program Free Download v1.12.3.03173r2
: Often features sales or free weekly giveaways. If you're trying to for this specific version
: KSP frequently goes on sale for $10 or less during seasonal events. Tips for your first orbit in the career mode
: It has been given away for free on the Epic Games Store in the past; keep an eye on their "Free Games" rotation.
: Includes the final hidden secrets added by the dev team.