Here are several links to various DOS software and other DOS related websites. Most are freeware but a few are shareware and commercial programs. I welcome any comments and/or suggestions you may have about this webpage or other DOS programs for me to know about. Also, do email a thank you to the authors of any of the programs you use.

If you like to see Interesting Windows and Mac programs similiar to this page, visit my computer user group, the Trinidad and Tobago Computer Society

View all of the DOS programs on one webpage : Interesting DOS programs - Full index (note : size of page is about 50K)

Comments? My E-mail address : Dev Anand Teelucksingh, devtee at gmail.com

After nearly 20 years, Interesting DOS programs is moving from http://www.opus.co.tt/dave/ to http://dosprograms.info.tt! Please update your bookmarks!

Last updated: January 16 2026

Vijeo Citect 7.3 Download ((exclusive)) (2027)

Vijeo Citect 7.3

Downloading (now part of the AVEVA Plant SCADA family) requires accessing official industrial software repositories, as it is a licensed product used for Supervisory Control and Data Acquisition (SCADA). Official Download & Resources

Designed to work with various Unity Pro and Vijeo Designer versions on Windows operating systems. Installation and Service Packs Service Pack 1: vijeo citect 7.3 download

: If you have the physical license dongle (USB key) but lost the media, contacting your local Schneider Electric or AVEVA distributor is the most effective route. They can usually provide a secure ISO link once they verify your site ID or license serial number. Critical Compatibility Notes Vijeo Citect 7

Install Drivers:

Remember to download the Citect Driver Suite separately if your specific PLC driver isn't bundled. and enhanced security

Error 1: "The Windows Installer service could not be accessed"

Before you proceed with the download, ensure your hardware is compatible. This is a 32-bit application originally designed for Windows 7 era.