The latest Aria Player (1.872) is compatible on all listed operating systems. You can download the latest Aria Player from here.

Here is a list of the Garritan libraries and their compatible operating systems (Mac and Windows):

 

Mac:

 

Mac OS(X) 10.13 10.12 10.11 10.10 10.9 10.8 10.7 10.6
CFX Concert Grand    X X X X X X X
CFX Lite Concert Grand   X X X X X X X
Harps X X X X X X X X
Classic Pipe Organs X X X X X X X X
Instant Orchestra X X X X X X X X
World Instruments X X X X X X X X
Concert and Marching Band 2 X X X X X X X X
Jazz and Big Band 3 X X X X X X X X
Garritan Personal Orchestra 4 X X X X X X X X
Garritan Personal Orchestra 5 X X X X X X  

 

 

Windows: 

 

Windows OS 10 8 7 Vista (64) Vista (32) XP (64)

XP (32)

CFX Concert Grand  X X X        
CFX Lite Concert Grand X X X        
Harps X X X X X X X
Classic Pipe Organs X X X X X X X
Instant Orchestra X X X X X X X
World Instruments X X X X X X X
Concert and Marching Band 2 X X X X X X X
Jazz and Big Band 3 X X X X X X X
Garritan Personal Orchestra 4 X X X X X X X
Garritan Personal Orchestra 5 X X X