I need help, where and wich lights do i need to place to make this look good

Help and Feedback Art Design Support
#1

Screenshot 2023-10-20 190150
Screenshot 2023-10-20 1901501920×971 386 KB

I need help, i don’t know where to place lights, what color they have, wich lights.
i deleted the lights in the pic

#2

First off, it’s ‘which’ with an H. Second, I’d just make some invisible parts with lights and then make the actual lights just decoration.

Edit: Wait is this Blender? Then I have no clue.

#3

Sorry for my english, i’m from switzerland…