New Blue Iris setup

[FragMasterJ]

Question for you guys;

I had blue iris on an old PC with 10 IP cameras of different manufacturers (foscam & watchdog). The original blue Iris system was working fine, but PC was outdated.

Now I am migrating to a new windows 10 computer, have downloaded newest blue iris software on the new computer.

*****I have new/different license on the new computer.

When trying to setup cameras on new computer, it won't find a single one on the new computer even with the IP config tool. But I can hook it back to the old system and all cameras operate and display fine. If I take that same ethernet cable and plug it in to the new system nothing can be found even by searching for the IP address. Please advise what steps I am missing.

DO I have to reset all cameras manually, and add them on the new system as a new camera on blue iris?
(Have turned off the firewall/virus software and compared settings on old computer: network, ethernet, proxy, etc. to new computer.)

I would rate my IT skills as a 5/10. So don't be too hard on me.

Thanks in Advance