Nero is one of the most widely used softwares around the world for disc authoring. One can use this to burn data to discs or creating copies of discs, ripping discs, erasing rewriteable discs, audio file format conversions, connecting to the online music database called Gracenote or printing on discs. Trial versions like Nero 9 of this software are available on the internet. After using the trialversion serialnumbers would be required to get access to the full versions of the softwares. Unfortunately, the number for the Nero 9 trial version is no longer available. With that in mind, it is better to download the latest version.