How do you install the MetaHuman Plugin with Unreal Engine built from 5.3 source?

Development Programming & Scripting
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Wow, never thought this was going to be so hard to get a straight answer on for this.

  1. Building Unreal Engine 5.3 from source as it’s the only way I can build dedicated servers for Linux.
  2. I want to use the Metahuman plugin
  3. I want to use other Marketplace plugins

The fact that the launcher, or any marketplace, can’t target a custom build is really a bummer. I’m trying to find any kind of guidance that works to install Metahuman 5.3 into a 5.3 source build.

I need an official recipe here. Please.

TY