My effort at translation:
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I have BIAB 2020 installed on my three PCs:
- my tower running WIN 10 Pro (v22H2)
- my ASUS laptop running WIN 10 Home (v22H2)
- my HP laptop running WIN 11 Home (latest: v24H2)

BIAB behavior on my two WIN 10 PCs:
- double-clicking on a file name (e.g., All_of_me.SGU)
- causes BIAB to launch, then
- load the song,
- then autoplay the song.

BIAB behavior on my WIN 11 PC:

- double-clicking on the same file name
- causes BIAB to launch, then
- load the song,
- but not play the file. You have to press PLAY.

Associations
- all associations seem correct on my three PCs.
Observation in File Explorer
- under WIN 10, there are two options: READ or OPEN a file.
- under WIN 11, there is only the OPEN option.
- This could explain why double-clicking doesn't work under WIN 11?
What I'm thinking of doing to try to fix the problem?
- Uninstall and then reinstall BIAB 2020 on my WIN 11 PC.
Question
- Should I first disable BIAB on my WIN 11 PC or not? NOTE: I also tested the Go (open and play) function.
- This function works very well, it's a shame that multiple drop-down menus (Play / Play-options / Go (open and play)) are required.
- This isn't very practical for playing a song while holding an instrument like a violin and bow. Doesn't PG Musique have a shortcut (perhaps hidden?) that they could share?

BIAB & RB2025 Win.(Audiophile), Sonar Platinum, Cakewalk by Bandlab, Izotope Prod.Bundle, Roland RD-1000, Synthogy Ivory, Kontakt, Focusrite 18i20, KetronSD2, NS40M Monitors, Pioneer Active Monitors, AKG K271 Studio H'phones