With the improved IObit disk defrag engine, Smart Defrag not only defrags your HDD but also trims your SSD to accelerate disk access speed and enhance disk durability. And Smart Defrag specially optimized the file organization algorithm on Windows 10. To make it more powerful, Smart Defrag 6 also delivers several other useful features. Boot Time Defrag can defrag Windows registry to release more occupied RAM and ensure the system stability while you can customize Boot Time Defrag as per your needs. Meanwhile, Auto Defrag and Scheduled Defrag ensure your disks are always optimized to their top performance. Furthermore, Game Optimize is designed to offer gamers ultra-smooth gaming experience. The last but not the least, Disk Health can help you monitor your disk status in real-time.