If you previously purchased the QuikScripts CD option, you'll be allowed to install and run permanently several copies of QS on several computers.

1- Install QuikScripts from your Setup media ( CD, Zip drive, floppy).
2- Copy the CD info to the new location of your QuikScripts.
3- Run QuikScripts the 'Contact info' Dialog will appear:

4- Press the 'Re-Register...' button.
5- Follow the instruction till the end of the process.
For more info check you CD Guide.