1-Select and download your birthday party invitation. Open the online template document -- PDF file.
2-Save the file to your computer. Be sure to save the invitations to a place on your hard drive that you can find easily and from which you can easily print.
3-Open the saved file from your computer. Double-click on the template.
4-Print as many invitations as you need.
5-Fill in the birthday party details. Provide invitees with the person's name whose birthday you're celebrating. Include the day, date, time and location of the party. Give invited guests an RSVP date, if necessary