You can't, there are no mermaids in any of the Sims games.
There is no such thing as a mermaid potion.
well if you lost the number you can't install it. so go to thesims2 . com and you can reach technical support and they can help you.
You can't turn into a mermaid in any of the Sims games.
The only way to "make" a mermaid is to download the appropriate outfit items and have your Sim wear them. You can not turn your Sims into mermaids.
Yes it is possible to have same sex relationships in Double Deluxe.
There are 2 discs in Sims 2 Double Deluxe. 1 for the game itself, the other for extra tips and tricks. ((the sims TWO double deluxe? I only have one..)
u can have babies on sims 2 double deluxe even twins
Sims 2 double deluxe? yes sims 2 children grow up.
The code is on the back of the booklet inside the case. I know because I have The Sims 2 Double Deluxe.
No, there is no beach in Double Deluxe. You would have to purchase and install the Bon Voyage expansion pack for beaches.
Nightlife is included on Double Deluxe so it installs automatically with the rest of the game.
If you have installed double deluxe already, you should just be able to install university.