Diskeeper Professional Edition 8.0 - Version 8.0 Maximize system performance with new Diskeeper 8.0. It’s quicker and easier to use than ever before with a new user interface, easier scheduling, and a faster defrag engine.New! Completely redesigned and highly intuitive user interfaceNew! See graphically how much performance you are losing and how much you gain after defragmentationNew! Evaluates the condition of your disk against documented factors known to affect system reliability and stability.