If you want to copy discs using the on-the-fly method:
Check the On the fly box on the Copy Options tab.
Select the drive that is to contain the disc to be copied from the Drive drop-down menu.
Insert the disc that you want to copy into the selected drive.
Insert a blank disc.
Click on the Copy button.
The burn or copy process starts. On the screen a progress bar indicates the progress being made during the burn or copy process.
6. Proceed with the burn process (see Starting the Burn Process).
Î You have successfully copied a disc.
Nero Burning ROM