Here's the new update of Ableton Live Suite. This covers Windows and Mac OS X versions for both 32 and 64-bit.
Create, produce and perform. Create ideas, make changes without stopping, and capture everything as you work. If you've used music software before, you're already familiar with one half of Ableton Live. Live's Arrangement View is a familiar working space: time moves from left to right, while tracks are stacked vertically.