You will not receive official updates, bug fixes (which are frequent in KSP), or access to the Steam Workshop for mods. Legitimate Ways to Play
Websites offering free downloads of paid games like Kerbal Space Program (KSP) are often used to distribute . Specifically: Kerbal Space Program Free Download (v1.12.3.031...
You can buy a DRM-free version directly from Private Division . You will not receive official updates, bug fixes
If you are writing a regarding this specific version or the distribution of KSP, note that v1.12.3.031 was the final major "Grand Slam" update for the original game. It introduced features like the "Rotating Calendar" and various final bug fixes before the developers shifted focus to KSP 2. Using pirated versions for development or modding is generally discouraged as it can lead to version mismatches and instability in your projects. If you are writing a regarding this specific