Picture 1-3:
To finalize installation you need:
1. a bulb - the picture shows the bulb seen on the product pictures in the webshop, it's opaque & beautiful with the shade
2. a connector stripe, anyone goes but wago is amazingly easy to work with: https://www.clasohlson.com/se/Toppklämma-Wago-773/p/36-3050
Picture 4:
Remove the screws & separate the two metal plates
Picture 5:
Connect the cables
Picture 6:
Fasten the first plate with two screws
Picture 7-8:
Fasten the second plate with the two last screws. Fasten the shade with the little metal ring & add the bulb. Voila!