Did a backup, wipe and install of MacOS Catalina. Just tried to install EDCE and it won't open but gives no further details. have looked for install instructions to see if I missed anything but can't find anything specific to MacOS.
For some reason it was not quite as straight forward as described below. I had to use cd to walk down the file tree to the file before I could chmod +x and then the rest of the directions worked - YES! it worked