This is the most common point of confusion. You cannot "buy" or "generate" a registration code on the website. The code must come from the screen itself. Here is the step-by-step process:
If you are looking for a registration code to activate a warranty for a PRISM+ hardware product, you do not actually need one. REGISTRATION ISSUES? - Prism - NCH Software ... - Forums prism plus registration code
: Some users have reported issues where their registration code is not accepted, often due to typing errors or version mismatches. Technical support is available via the NCH Support Page for these issues. PRISM+ (Monitors & TVs) This is the most common point of confusion
: During the pairing process, the app may request a verification code sent to your registered phone number Verification Here is the step-by-step process: If you are
: You must take that serial number to the NCH Activation Page . Once you fill out your details, the system emails you the actual Registration Code (a mix of numbers and letters).