Recommended:
Windows 7 or higher, 64-bit
4GB memory or more
Quad-core CPU, 3GHz or better, with Hyperthreading
Multi-timbral MIDI instrument*
MIDI adapter with at least 1 in and 1 out
ChordEase 64-bit
Minimum:
Windows XP SP2
2GB memory
ChordEase 32-bit
*Note that the instrument should have a MIDI in and a MIDI out, and be capable of disabling local control.