The official Nero Website generally only offers trials for their modern, subscription-based versions.
While Nero 7 was originally a paid commercial product, many older tech blogs (like those appearing in Croatian/Serbian search results for "besplatno preuzimanje" or "free download") provide links to "Lite" versions or "Micro" versions that were stripped of extra features to run faster on older hardware. nero-7-besplatno-preuzimanje-pune-verzije-uite-u-racunalo
If you are looking for what typically comes with the "full version" mentioned in such articles: The official Nero Website generally only offers trials