One of the most reliable sources to find older ISM Office versions is . Their library lists ISM Office as a product of C-DAC, with version 6.0 being the latest and versions 3.0 and 6.0 being the most popular among users.
A setup file named ISM Publisher 3.04.exe is hosted on platforms like Google Drive . ism office 3.04 download
Formal technical support for version 3.04 is limited; consult the ISM Publisher Release Notes for specific troubleshooting. ISM-Publisher 3.04 Release Notes | PDF | Html | Web Page One of the most reliable sources to find