Our competitive upgrade path allows you to purchase MacGourmet Deluxe 4 for only $34.95 from ANY other recipe management application (Mac or Windows). The process is simple. Send and email to sales@marinersoftware.com with your serial # of the competing software you had previously purchased (please note: free online recipe management software is not eligible for competitive upgrade pricing), we will validate the serial # (if you do not have a serial number, please reply with a copy of your original purchase receipt) and will respond back with a custom promo code to use in our eStore to purchase a full copy of MacGourmet Deluxe 4 for $34.95 (a 30% discount).