How did you install it on the first computer? Do you have the CD or from a download?
Can I install on more than 1 computer?
https://ttlc.intuit.com/community/installing/help/can-i-install-turbotax-on-more-than-one-computer/0...
One of these articles should help
How to download Turbo Tax if you can't use the CD
https://ttlc.intuit.com/community/installing/help/i-bought-the-cd-but-my-computer-doesn-t-have-a-cd-...
How to download from Turbo Tax
https://ttlc.intuit.com/community/installing/help/how-do-i-download-the-software-i-purchased-at-turb...
