The disc burner software is built in the Windows 7 OS. Just you have to right click on the available ISO image from your hard disk. Now select the burn disc image. This action will launch new window with this disc burner ISO image and it will give you an option whether to burn to the CD or the DVD. You can choose which one is necessary and then you can also check whether the complete image will be verified or not. If you are in a hurry , and want to make disc fast, without checking if everything is burned correctly, you can uncheck the option.