My backup .reg files all point to [HKEY_LOCAL_MACHINE\Software\Wow6432Node\Perspective Software\Blue Iris\Cameras . But BI is not picking up from that location. It's been way too long, and I can barely remember what I had for breakfast, but it seems like I have dealt with an issue around this before...

I downloaded/installed 5, uninstalled 4.

But I am unable to find a web page for paying for the 4=>5 upgrade.

No such thing?

Am I going to save a buck or just pay the seventy bucks for v5?