The refers to a customized, unofficial distribution of the Proteus Design Suite, a widely used software for electronic design automation (EDA). The "RePack" designation indicates that a third party has modified the original installation files to be more compact, pre-activated, or bundled with extra features. Core Features of Proteus 8.15

The official 8.15 release by Labcenter Electronics introduced several specific technical upgrades:

: Enhanced support for curved mitres in board layouts.

In the context of software like Proteus, a RePack version usually includes:

While RePacks are popular among hobbyists and students, they carry significant risks: Proteus Release 8.15