Need a little help with Blender's eevee renderer (closed)

Hello all Blender experts,

I try to migrate my models from Blender 2.79 to Blender 3.1 and struggle with eevee’s world settings.
This is what I have in Blender 2.79: there is no extra light source in the scene, just environment and AO:


Settings:

I would be really grateful for some advice on how to achieve something along these lines using eevee.