Eventually tried everything.

To begin, I have 6 cameras on line. They were easily set up on an iPad, and using the Windows based application from D-Link. So I PURCHASED this application for my iMac. Note that all other platform applications were free. The first challenge is that, unlike the software on all the other platforms, this one wants IP’s. Well, not easily defeated, I managed to GET the IP’s by communicating directly with my router, and printing out an assigned IP list. So I filled everything out, and after all that, you just get a little window with a plain grey screen, with “Start Connecting To Camera” displayed.
Again, though, I was still unwilling to throw in the towel. So I tried the help pages - there seem to be several references. EVERY REFERENCE TO A HELP PAGE gets the rather terse “Error 404, page not found” message.
I am VERY disappointed - there is no way of contacting help, no clues what so ever, no instructions, no manual, nothing. It is perhaps some little fellow in a basement, quietly collecting money from unsuspecting suckers, alas, like me. Don’t waste your money, and APPLE, if you happen to notice this, please remove this digraceful phishing scam from your “Apps”.

PKL-96 about D-Link++ Viewer, v3.0