If you already own any EZkeys full version (e.g. EZKeys Grand Piano), you can purchase a further EZkeys sound library of your choice via the Sound Expansion, and no longer need to purchase the respective full version.
The Toontrack EZkeys Sound Expansion at a glance:
Credit code for an EZ Keys Sound Expansion of your choice.
Redeemable on the manufacturer's website
System requirements: registered Toontrack EZkeys instrument
! Attention: Software is excluded from return policy!
The following EZkeys Sound Expansion are available: