How to change how photos are put onto my laptop?

When I plug in my mobile phone into my laptop it uses 'Nikon Transfer' to transfer the photos to my laptop because I had previously set that as the default for pictures, how do I change this?

Right click on a picture > Open with > Choose program from list.

Then select the program you want to handle pictures.

And make sure you tick the box saying something like.
Remember this decision or open with this prog every time ect.