Step 1: Run Perfect Optimizer after installing
Setp 2: Click "Enter License" on the top right of the Perfect Optimizer

Image of the Enter License button screen
Step 3: Enter your License Key or Order Number on the Register Screen

Image of the Register Screen of Perfect Optimizer
Step 4: Click "Activate Now" button to activate Perfect Optimizer
To activate your program, locate the Order Confirmation Email sent to you after your purchase. Select the PerfectOptimizer serial number and press Ctrl + C (to Copy). Go back to the PerfectOptimizer program, and press Ctrl + V to paste the serial number.
Then press the "Activate now" button to complete the activation process and unlock the full potential of the software.