Sims 3 Paradise Island

margret5465​  Are you talking about the Limited Edition content, or the registration bonus content?  You can see the difference here:

https://simsvip.com/2013/06/24/redeeming-island-paradises-bonus-content/

The LE content wouldn't be available for a purchase now, as the whole point was to convince people to buy the pack at full price on release.  But you can install the registration items through the Sims 3 Store site.  Please see this post for more info and a link:

[INFO] How to Register The Sims 3 | EA Forums - 8115840