VSL Synchron-ized SE Volume 1, Virtual Orchestra (download), Contains Essential Orchestra with over 30 instruments and ensembles, Comprehensive basic library with strings, brass and woodwinds, harp, percussion, celesta as well as the Bösendorfer Imperial concert grand and Synchron Concert D-274 Light, Contain all basic articulations and legato transitions, Intuitively operable Vienna Synchron Player, Space sound of the Synchron Stage Vienna@+*Specifications:*@+@+, Supported formats: VST2 / AU / AAXnative, System requirements: Minimum Win7 or higher, Mac OSX 10.10 or higher, Intel Core 2 Duo CPU, 8 GB RAM, 64 GB HD, internet connection, Vienna Key (Article Nr. #193306#)