A "repack portable" is a non-official version of software that has been modified by third parties to offer specific conveniences:
Here is the mandatory warning. While the software works, using a repack portable comes with inherent risks. IObit Driver Booster PRO v6.5.0.421 -Repack Portable-
is the premium tier of IObit’s flagship driver update utility. The official version (v6.5.0.421) was released in late 2020/early 2021. It focuses on a single promise: “Update all your outdated, missing, or faulty drivers with one click.” A "repack portable" is a non-official version of