If you simply need to burn a disc today, modern free alternatives like ImgBurn or CDBurnerXP are often safer and more compatible with Windows 10 and 11. Are you trying to install this on a modern PC, or
If you are looking for what typically comes with the "full version" mentioned in such articles:
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.