The latest version of is version 11.3.0 , released in April 2026. If you are looking for "197," you might be referring to version 8.2.0.197 , which was released in October 2022. Official Downloads
Automatically enables system tweaks to prolong SSD life and improve performance. Download iobit smart defrag 197 zip
The current version includes several enhancements over older releases: The latest version of is version 11
Fully supports Windows 11, 10, 8.1, 8, 7, Vista, and XP. Comparison: Free vs. PRO Free Version PRO Version Basic Defragmentation Auto Defrag Yes (Works during idle time) Boot Time Defrag Enhanced (Optimizes registry/system files) File Access Speed Up to 200% Faster Auto Update Download iobit smart defrag 197 zip
Available on the IObit Smart Defrag Official Page .