setup/windmove.el

   1 (require 'windmove)
   2 (global-set-key (kbd "S-<left>") 'windmove-left)
   3 (global-set-key (kbd "S-<right>") 'windmove-right)
   4 (global-set-key (kbd "S-<up>") 'windmove-up)
   5 (global-set-key (kbd "S-<down>") 'windmove-down)