All our instruments are Audio Unit (AU) and VST 2.0 plug ins (Albino 3, Alpha 3, ElementP, MorphoX, Organ 3 and SaxLab 2 are also RTAS on Mac). To use our instruments you need

1. a Mac with Mac OSX 10.4, 10.5 or 10.6 

  or a PC with Windows XP, Vista or Windows 7

2. a AU, RTAS(Mac only) or VST compatible host software (both 32 and 64 bit is fine)