I know there are already quite a few tutorials about this topic but I want to write my own anyway Let's not waste any time and start directly In general, there are two methods to install mods: manually and via CKAN. Both methods got their advantages and
KSSL might not have any collateral effects in terms of "it breaks something" but its a mod someone might don't want to install (or someone simply doesn't know how to use github) and you will even have to repeat the installation, if KSP actually gets another update. It is ...