Take MegaSeg for a test spin! Download the demo... MegaSeg 4.5.1 for Mac (13.6 MB) Download the latest free QuickTime update to be compatible with purchased music from the iTunes Store. System Requirements Any Mac with an Intel or PowerPC processor running at 600 MHz or faster, with Mac OS X 10.3.9 or better, QuickTime 6.5.2 or better, and minimum of 512 MB RAM. Version History F.A.Q. User Buzz MegaSeg and the swirl logo are trademarks of Fidelity Media, Inc. Copyright © 2009 Fidelity Media, Inc.