Just in case anyone with an older computer wants to upgrade, check the OS requirements! Just because EZD1, EZMix2 and EZKeys work on your PC, doesn’t mean that EZDrummer2 will! I have a WinXP PC, not internet-connected, solely for music use, with stripped-down OS that works really well for me, with all above software plus more. I bought the upgrade but it’s useless because EZDrummer2 requires at least Windows 7. ...