Natural light is wonderful, but if you find yourself squinting at your computer in a midday sunbeam or making extended eye contact with pedestrians outside a ground-floor apartment, it may be time for window curtains. Luckily, installing them is one of the quicker and less expensive home-improvement projects; the only additional supplies you’ll need are a drill and a curtain rod (although some styles also require hooks to hang the curtain onto the rod). And while there are plenty of luxe window treatments out there, there are also inexpensive options that do the job well. Head to the link in our bio for the very best window curtains, according to interior-design experts and Strategist staffers.