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