Defragments critical system files (like the Windows registry, page files, and MFT) that cannot be moved while the operating system is running.
is a disk optimization utility designed to improve system performance by reorganizing files on your hard drive. While version 8.3.0.252 was a significant release in the version 8 series, as of April 2026, the latest stable version available is Smart Defrag 11.3.0 . Core Features
A dedicated module that prioritizes game files for faster loading times and a smoother gaming experience. Download: IObit Smart Defrag 8.3.0.252 Activado...
Free. Speed up your PC with easy defragmentation. Subscribe to IObit V 11.3.0 | 15.2 MB Supports Windows 11/10/8.1/8/7/Vista/XP. Smart Defrag User Manual - IObit
Uses a multi-threading engine to defragment files faster and more efficiently, reducing system resource usage. Core Features A dedicated module that prioritizes game
Automatically optimizes SSDs using TRIM technology to improve performance and extend the drive's lifespan.
Provides real-time monitoring of disk status, including temperature and overall drive health. Version 8.3.0.252 vs. Version 11 Subscribe to IObit V 11
Version 8.3 was known for enhancing the "Defrag & Prioritize Files" feature and improving compatibility with newer Windows 10/11 updates. However, the current series introduces: Smart Defrag 11 - IObit