How to Manually Install Mods for Content Warning Let's say you don't want to use a mod manager and prefer manually installing game modifications.

Space Shuttle System is a high quality, high fidelity Space Shuttle mod for Kerbal Space Program - zer0Kerbal/SpaceShuttleSystem ...

Quickly install mods or revert all changes using automatic backups. Present your mods with descriptions, images and contact information. Different mod packages can contain changes to one and the same ...