I can explain most of these entries.

NO is always the safe answer, but there is more to it.

The files in /Direct Input are different and are there for adding your own processing, whereas the ones up a level in RealTracks have PG Music's settings for reverb etc. that they think sounds good. If you are sure you would never load the Direct Input files, you can save a lot of space by deleting everything in that folder, but of course do it on the copy you installed to your computer and not on the supplied USB drive.

The ones at the top are best to leave alone for now. In 2018, BIAB made a major reorganization of the location of folders, and I think that accounts for most of these entries. I have over the years suggested to PG Music that they construct a 'clean-up' utility that not only reorganizes the files like it does now, but also deletes the ones no longer needed. I have files dating back decades that I'm pretty sure I don't need, so I'll make that suggestion once again.

EDIT: go with Andrew's answer.

Last edited by Matt Finley; 04/03/24 09:39 AM.
BIAB 2025 Win Audiophile. Software: Studio One 7 Pro, Swam horns, Acoustica-7, Notion 6, Song Master Pro, Win 11 Home. Hardware: Intel i9, 32 Gb; Roland Integra-7, Presonus 192 & Faderport 8, Royer 121, Adam Sub8 & Neumann 120 monitors.