From Mihailo Arnaut:
With Ultimate DrumKit you will be able to play drums using your keyboard. Choose from three sets of predefined kits and even import your own.
Have fun at the office or pester your neighbors at home.
With Ultimate DrumKit you will have hours of fun.
Play some background music (preferably drumless track) and use Ultimate DrumKit to follow it.
The app has been tested on all Windows versions (including 32bit and 64bit architecture) and it is working like charm.
Unlike other apps that are on the market, Ultimate DrumKit is FREE, SIMPLE and EASY TO USE.
You just install it, run it - and that's it. You are ready to rock-n-roll.