If you uninstall the software with the intention of installing it on a different computer you should de-active the license on the existing computer first, failure to do so will block the software from registering on your new computer without intervention from us.
In order to de-active the license on your existing computer select Help > Transfer License option from the menu in the main application interface, you will be shown the de-active your software screen shown in Fig 1
Fig 1
Click the Deactivate button, after a few seconds you will be shown the screen in Fig 2, be sure to keep a note of the confirmation code, you may need it if you have problems activating the software on your new computer.
Fig 2