ShowCAD DOS Download: We no longer recommend the use of ShowCAD DOS version. The last Windows platform that would support it was Windows 98 version 2 - a ten year old product that has not been supported by Microsoft for a number of years now.

ShowCAD, which ran under Microsoft DOS, was launched in 1991 and was the first PC based effect lighting/show control system in the world. The systems proved so popular that we changed our company name to ShowCAD Control Systems to match our product! The last system we sold was in 2000 and thereafter only by special request to a few "fans". The download here is just for the convenience of those who may still be running it and who have a hard drive failure or similar. It is free of charge.

ShowCAD.zip (519K) This is the last version of ShowCAD DOS software ever released - version 2.20 Release 3. Please bear in mind that development of this software has ceased and this can be considered the final release of ShowCAD. So whilst the software is free of charge - any support may be chargeable.