System requirements for Spectrasonics Instruments are located at the bottom of the following pages (links below):
Omnisphere 2 System Requirements
Stylus RMX Xpanded System Requirements
*32-bit hosts are not supported for Keyscape or Omnisphere 2.5 or higher. However, Keyscape sounds can be played within Omnisphere 2.4 which can operate in 32-bit hosts.
