AECVIZ Reader old version

Does anyone know where I can get an old copy of this software? I have used it in the past and found it very helpful with DXF files. I did
not save an old copy, and can't find one on the internet. I really am not interested in demoware, trialware, or shareware. I would just like
to get a copy of this old software. The freeware programs I have found
don't seem to do as much as this old software (pan, rotate, different views, etc)
Appreciate any tips. tia
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