Can this ski be adjusted? If so how?

I bought a pair of skis a while ago and I thought I could adjust them myself. Turns out I don't know what I'm doing and the videos aren't very helpful. Are these skis even capable of getting adjusted or am I just wasting my time?

I bought a pair of skis a while ago and I thought I could adjust them myself. Turns out I don't know what I'm doing and the videos aren't very helpful. Are these skis even capable of getting adjusted or am I just wasting my time?