Hello and thank you for choosing Leapfrog for your printing needs.
The following solution will explain how to select your 3D printer in Simplify 3D;
1. First open up Simplify 3D and select Help - Configuration Assistant;
2. Next up find the Leapfrog printer you are using ( Leapfrog - Creatr Dual - Creatr HS - Creatr Single - Creatr XL- Xeed) and select it;
3. Once you select the printer if you check your print profiles you will see that you already have the print profile installed;