Add additional lighting to your room.
Decide what kind of lamp you would like and go shopping. Once you find one, purchase it and bring it home. Find a place on your desk where you like it. Plug in and turn on.
Decide where you need additional light. Once you have that in your mind, go to the lumber store and pick up a piece of wood. Take it home and whittle a lamp from it. Plug in and turn it on.