Hi Bernard

Merely copying all of the files from one disk to another won't be adequate to let the installation application know where the files now are.

When you run the installer, it would give you an option of where you want to install to. Make sure you select the location on the drive where you have BiaB now copied to.

Please let us know if this assists to resolve.

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BIAB & RB2026 Win.(Audiophile), Windows 10 Pro & Windows 11, Cakewalk Bandlab, Izotope Prod.Bundle, Roland RD-1000, Synthogy Ivory, Session Keys Grand S & Electric R, Kontakt, Focusrite 18i20, KetronSD2, NS40M, Pioneer Active Monitors.