You can simply paint a window your favorite color — like a dark green or purple — and stick it to the wall. There are special paints available that stick well to glass. Alternatively, you could just use a burlap sack — the kind that holds potatoes — and just stick it behind the glass window for decoration. Get more useful information by clicking the link.

Check out the tutorial how to make a DIY painted farmhouse sign from an old window @istandarddesign

Tutorial: www.hometalk.com

See more: 15 DIY Projects with Old Windows That Make Stunning Farmhouse Decor