FREE SMART DEFRAG

A FREEWARE AND A MOST IMPORTANT NEED OF PC.THIS SOFTWARE DEFRAG THE DRIVES AND ALSO THE REGISTRY .THIS SOFTWEAR IS GIVEN FOR FREE AND CAN DOWNLOAD FROM

http://download.iobit.com/defragsetup.exe

instruction to follow

1.download from idm 

2.install 

3.enjoy[not having any specific requirements]