The license is....you can install on 5 computers you own. Install it the same way as the first time.
How to install with a License Code
https://ttlc.intuit.com/community/tax-topics/help/activating-turbotax-cd-download-software/00/852971
Have you installed from the CD the first time? It may be a problem to use the CD a second time. It will be better to first install using the download option. Then you can download it again to another computer.
