How to create an aws amazon E2C instance for Omniverse use

I am in Nvidia Inception program with my startup Cineshare. I am from Finland.

I just created my AWS Amazon account and started to setup an environment for us and to our customer. But there are no tutorials on this, please help me.

As far as I learned from this random youtube tutorial, I must make an E2C instance:

But this guy uses isacSim at Linux, so the tutorial shall not work for me. This is a real customer and paid job, please help me Nvidia.

For example here I am creating an E2C instance on windows:

What do I select for Amazon Machine Image (AMI) ?
So many options:

Instance type?

Network settings?