Luisa

Hi everyone! I am a newbie after years with photoshop. Now I spend hours and hours trying to find what I want to do in the many videos and chats. I need to find a tutorial that shows how to drag or place an image top of another in layers. I work with digital collages, one photo on top of the other. I know how to do the rest, it is just placing the images or drag them that I cant find. can somebody help me?