Perspective Easy Access

This new server install will be on an intranet, with the PLC. I would like to serve the gateway on port 8088 and the perspective pages on port 80. Such that the root is http://[PCName] not,
Windows10 Pro
8.1.9 (b2021080617)

Anyone know how to do that?

You have to run Nginx or Apache or some other reverse proxy on :80, with selective forwarding of the shortened URLs.

What about iis, isn’t that what ignition is using?

Ignition does not use IIS. But presumably it could be your proxy. I don’t do IT on Windows, so you’ll have to hope someone else chimes in.