FAST Defrag Professional is a memory manager with additional features to enhance your PC performance. The FAST Defrag memory optimizer cleans your RAM, but clears only the memory that was filled by previous loaded applications and does not remove Windows components or active programs from memory. In addition, the program comes with a simple Task Manager, a Memory Editor, shortcuts to system configurations (msconfig) and a few Windows tweaks.

The license of this software is Free Trial Software, the price is $8.75, you can free download and get a free trial.