You lost your laptop? Sorry about that. That's terrible, it's happened to me too when someone broke into my car. I do not understand what you want to do, though. Install Premiere Pro on a new computer?
This is an open forum with a mix of other users and Adobe staff, not Adobe support... you need Adobe support to deactivate Adobe software on your missing laptop
Adobe contact information - http://helpx.adobe.com/contact.html may help
-Select your product and what you need help with
-Click on the blue box "Still need help? Contact us"