Installation of OpenFlow

Thank you for helping.

I installed openflow using the link you provided but on port 80 some other service is running because of that I’m unable to access --localhost.openiap.io.

I tried changing port number in openflow.env but it is not changing.

Q1. Please help me in changing the port number

Q2. How do I install openRPA tool on server.
Shall I download the .exe and change domain from settings.json