Put your cursor on the path and press gf.
To quickly open the last file that was edited in Vim, you can use the :e# command. This is useful when you want to switch back to the file you were previously editing without having to retype its full path.
Note that the :e# command only re-opens the last buffer that was edited in the current window.
To navigate through buffers, you cal also use :bn or :bnext, and :bp or :bprev.