How do you turn off physics?

My actors are stationary buttons that you click on and they bring you to another scene. The problem is they are not staying stationary. I did this before in another game, but I have absolutely no memory how I did it.

Can someone please explain to me how to do this (preferably in the way you would tell a 5 year old)?

On your actor, go to the Physics tab > Advanced > Actor Mode. Set it to Minimal.

And to be on the safe side: Physics > General, set it to Cannot Move and Not affected by gravity.

Also you can go into collisions and delete the collision boxes for the animations