How to Activate HandL UTM Grabber/Tracker V3 How To Install and activate HandL UTM Grabber/Tracker V3 plugin 16. Please refer to your email address for the licence key 17. Go back Wordpress plugin activate page and Click the 'Activate Plugin' Button 18. Just paste your licence key to the box 19. And then click the 'Activate' Button 20. Congratulations!