If you are considering using the ".rar" file version, here is a breakdown of its features and the significant risks involved: Key Features (Legacy Version) Lyric Synchronization
Official technical assistance for this version ended over a decade ago. KaraFun Studio Karafun Studio 1.20.90 Full.rar
A modern, browser-based feature that lets you upload audio and synchronize lyrics directly within the KaraFun ecosystem. Unlocking the Power of Karafun Studio 1