
Near the top of the steps list you'll see a 'Move Steps' button. Clicking this will enter 'Move Steps' mode
In the 'Actions' menu for each step you'll find a handy shortcut to enter 'Move Steps' so you don't need to scroll all the way to the top!

You should be able to click and drag the steps around. If you don't have a mouse, only a touchpad it should still be possible to do. Simply click and hold with your fingers then moving up and down without releasing them.