I haven't used Power Tracks Pro, but assuming it's a 32-bit app and that it wants to go into one of your two Program Files folders, then (x86) is the one you want.

Do NOT install BIAB or RealBand into either /Program Files folder.


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.