3d modelling exhibition unreal engine

I like to create 6 setups by reference image (need to be like the image)that will be placed in a open-space gallery the models need to be as low poly as possible but still look realistic the texture need to give it realistic look (uv texture for each model in the scene) all the models need to go into unreal engine in a web page

I attached the reference images of the setup of each scene .. the 3d model need to look exactly as possible to the reference attached...the images will be provided