How to add to trusted publishers?

Question

Windows

Raised the domain.
There is one program for video surveillance.
Windows says it's from an unknown publisher.
When run as a user, it asks for an administrator login and password.
Domain OS: Windows Server 2019
User OS: Windows 10

Question:
How to add to trusted publishers?

Answer 1

Removed the UAC prompt through the registry for a specific program
picht.ru - How to remove the UAC prompt for a specific ...

Answer 2

Add the certificate with which it is signed - to the Trusted Publishers computer branch.
Add the root certificate that was used to issue the first one to the computer's Trusted Root Authorities branch.
But programs may ask for the Administrator login and password due to UAC.