Shown below is one of several all-purpose, free printable birthday cards available on this website.
Just right click on any image, select SAVE from your drop-down menu, and save the images to your picture file for future use. When you're ready to print it out on your favorite card stationery, you might want to select PAGE SETUP from your FILE menu first, in case you need to reduce the margins, select the proper paper orientation, etc.
Print one of the top images first. This will be the outside of your card. Then turn the printed page over, put it back in the printer tray, and the next image will appear on the other side. Fold card carefully in half, and you're done.
Click on the link below for access to an assortment of other free printable items. These include puzzles, coloring pages, awards, sheet music, and more.