This MEGA PACK contains: Native Instruments Reaktor v4 Native Instruments Reaktor v4 Patch for Loading v3 Ensembles in V4 Native Instruments Reaktor v4 TOP30 Banks Native Instruments Reaktor v3 PREMIUM LIBRARY ADDON 210 Reaktor Ensembles REAKTOR 4, the award-winning modular sound studio, is the ultimate tool for sound design and music production. REAKTOR 4 lets musicians and engineers design and build their own instruments, samplers, effects and sound design tools. REAKTOR 4 is also a world-class studio right out of the box – its Core Library includes 31 high-professional instruments and effects. In addition, more than 1700 free instruments can be downloaded from the growing NI User Library. REAKTOR offers access to an arsenal of sonic tools limited only by the imagination.