 Registering TuneUp My Mac is easier than you think. First, launch TuneUp My Mac, then click on the Register Now button. Next, go to your email account that you registered with TuneUp My Mac. You can find the registration email by searching for Sys2Econ Search menu. Once you've located the email, open it to find your registration key. Copy the registration key from the email and go back to TuneUp My Mac license key window. Enter your registered email with your license key and click on Register Now button. Congratulations, you have successfully registered TuneUp My Mac. If you need more information or have any questions, please drop your queries at support at sys2econ.com.