Software from 2004 is often distributed on "abandonware" sites or forums that are rarely maintained or secured. The archive files are prime vectors for malware.
Do you require specific (like DTM or cross-sections)? i--- Autocad 2004 Covadis 2004- Gratuit A Telecharger-rar
Many experts recommend using a Virtual Machine (like VirtualBox) to create a sandbox environment specifically for this legacy software. Modern Alternatives to Legacy Software Software from 2004 is often distributed on "abandonware"