You can buy a DRM-free version directly from Private Division .
Occasionally offers games for free as part of their weekly promotions (KSP has been free there in the past). Kerbal Space Program Free Download (v1.12.3.031...
The .exe or installer files provided can contain hidden scripts that steal personal data or hijack your system. You can buy a DRM-free version directly from
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 Kerbal Space Program Free Download (v1.12.3.031...