The internet is littered with download links promising "KMSPico 1.3.1 Final" or "KMSPico 10.2.0 Portable (No Virus)." These are almost universally lies. The original developers (a team known as "Team Daz") stopped updating the tool publicly years ago. The true final safe version of KMSPico was released around 2015.
When you download these files, here is what actually happens behind the scenes: kmspico old version