As most defraggers, for free, it's very good, deserving of a 5 in this regard. It works well, fairly quick, does a decently thorough job. The interface is good, no issues.
There are many free de-fragment tools out there, but for me this takes the cake.
It's features are at the same standard as all the other great freeware defrag tools on Snapfiles, however the auto-defragmentation feature is a blessing which keeps your HDD maintained at all times.
I found this program to be a very fast defragging tool, but I`ve also discovered that there is a serious flaw. (At least in Win 7 64-bit) Using it to Defrag Only is fine, but when you choose the Smart Defrag option, it also defrags the Registry. This is normally not a problem, but twice now several of my programs failed to work after this procedure, and I even lost all my Restore points once as well. My system is Virus/Spyware free, so it`s not me. I`ve now switched to another Defrag software and the problem seems to be resolved. I therefore cannot recommend this software.
Works super on my two laptops XP and Vista and no problems...
Seems to do what it says easy to install and un install; seems to speed up pc.
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Download IObit Smart Defrag
file undelete and data recovery utility
analyze disk space usage
automatic, on-the-fly image resizing
local and remote pc monitoring
Manage your Android from your PC
restore several classic Windows features