One of the best ways to make a basement feel less like, a basement, is to bring in more natural sunlight.
Step 2: Use a concrete saw to cut out larger opening (I highly recommend leaving this step up to the pros).
Step 3: Frame window & seal cracks with spray foam.
Step 5: Build window well. We extended the well with cider blocks, put rebar down the holes and into the ground, then filled them with concrete.