The Harry Potter Invitation Printable. After you purchase the desired file, you will immediately receive an email containing a link to download your purchase. You can also access your purchased printables anytime by going to www.KarasPartyIdeas.com/shop and clicking the ‘My Account’ tab. Once you login, just select ‘My Downloadable Products’ from the menu on the left. There is no limit to how often you can access and download your printable purchases!