RSMB Pro (2 or 3) to Pro 4.x Upgrade, AE-compat version, Macintosh $44.99, 5/$191.21, 10/$359.92, 15/$506.14, 20/$629.86, 25/$731.09, 30/$809.82, 35/$866.06, 40/$899.80 RSMB Pro (2 or 3) to Pro 4.x Upgrade, AE-compat version, Windows $44.99, 5/$191.21, 10/$359.92, 15/$506.14, 20/$629.86, 25/$731.09, 30/$809.82, 35/$866.06, 40/$899.80