Shells and money if you need help just search youtube good luck with hacking =D
If you are talking about computer software, then you need to get the registration code from your official documentation, which you obtained by purchasing the software. Any other means is illegal.
Matt Eastman's book is a good place to start
Crabs need shells because there abdomen is very soft and sensitive and the shell protects them.
Their shells grow as the organism grows
you need to buy it or find a keygen
Oysters and mussels do not shed their shells. They are bivalve molluscs and their shells grow larger with age.
If you don't have enough room you would have to delete some things you would not need on your computer!
You need to have installed the sims 2, the sims 2 deluxe, or the sims 2 double deluxe, but not all of them. You just need to have the regular sims 2 installed to install and play it.
Some Native Americans use shells as money to buy goods or to trade for stuff the need
You need the University expansion pack.
you may not be able to even use the fishinator 2 if you bought insaniquarium. it doesnt work for me either, but i don't know what kind of insaniquariun you'd need