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 2026 Win Audiophile. Software: Fender Studio One 8, Swam horns, Acoustica-7, Notion 6, Song Master Pro, Win 11 Home. Hardware: Intel i9, 32 Gb; Fender Quantom HD8 & Faderport 8, Royer 121, Adam Sub8 & Neumann 120 monitors.