Mark Isham
Synthogy
registration    
Ivory Grand Pianos V2 Ivory Italian Grand Pianos V2 Ivory Upright Pianos V2 Ivory Amercian Concert D
Ivory II uses PACE iLok authorization

go to Ivory II registration
 
Ivory Grand Pianos 1.7 Ivory Italian Grand Pianos 1.7 Ivory Upright Pianos 1.7
Ivory 1.7 supports PACE iLok authorization on Mac OS X Tiger and is required for Leopard or Snow Leopard. To convert your Ivory 1.5/1.6 license to iLok, please click below...

go to iLok instructions
 
Ivory Grand Pianos 1.7 Ivory Italian Grand Pianos 1.7  
For challenge/response unlock code protection on Windows XP or Macintosh OS X 10.4.x Tiger and earlier systems, please click below...

go to challenge/response options