This is where things get interesting. A "Repack" is a modified version of software that has been compressed, stripped of unnecessary files (like multi-language packs or outdated signatures), and often pre-activated. A "Portable" application runs entirely from a USB stick or folder without installing into the Windows Registry.
These builds typically come with PRO features unlocked out of the box, removing the need for license keys or tedious activation steps. Improving System Stability and Gaming IObit Driver Booster PRO v6.5.0.421 -Repack Portable-
Use this :