Avoid any illegal activities in the story if the repack is pirated. Instead, frame the repack as a beta version or a developer's trial release. Alternatively, if it's a pirated version, deal with the consequences, but maybe the protagonist finds a way to do it ethically.

The end.

Alternatively, a supernatural element where the new version accidentally opens a portal or something, using the software's audio processing to alter reality. But that might be too out there unless the user wants fiction.