You can't. You will have to either buy a new game or just live without connecting it.
If you ordered this from the EAStore.com website, you should be able to contact them about the code needed - If you got it from Direct2Drive or some other site you will have to contact them. See related links:
The code is on the back of your manual.
Your Sims 3 registration code is located on the back of the instructions manual, and will be a selection of letters and numbers.
Disc or manual
The code for the game is on the back of the manual. If you do not have the code you cannot install.
The manual holds the code.
It will be on the back of your game manual at the top of the back cover.
You probably downloaded the game illegally and the registration code won't work the only way to register sims 2 is to buy it from a store
You have to type the code at the back of your instructions book into the register game place on the website.
If you ordered this from the EAStore.com website, you should be able to contact them about the code needed - If you got it from Direct2Drive or some other site you will have to contact them. See related links:
You can get your product register code for The Sims 2 on the cover of the Sims game dvd. If you lost the cover, you can contact Microsoft for assistance on how to recover it.
What do I do if I lost the manual to my Sims 3 game and I need to get the registration code.
The code is on the back of your manual.
Your Sims 3 registration code is located on the back of the instructions manual, and will be a selection of letters and numbers.
The code for the game is on the back of the manual.
Disc or manual
HexBugNano.uraloser.net