For Mac OS X
Step 1: Run the software on your Mac system after downloading it
Step 2: Choose the volume from where files is needed to be rescued.
Step 3: Advance Scan option enables you to customize the entire recovery process.
Step 4: In this step you can see the progress in recovery process.
Step 5: Here you can see the preview of all recoverable files. Select the file which you want to recover.
Step 6: At the very last restore all your files on your desired location.