Lost cd code for sims 3 High-end loft stuff. not on origin.. way to recovery key?

Lost/broken DVD but still have the serial code

With your serial code, you are eligible for the download version of your game. You can download it through Origin and redeem your code.

Instructions on how to do this can be found here: Redeem Your Serial Code in Origin

Make sure to uninstall the DVD version and install the download version instead.

Finding your Registration / Serial Code

If you still have the game on your computer you can follow these steps to find your serial code from your registry (PC only). Credits of to Carl's Sims 3 Guide

You need to be signed in as an Administrator first.  Windows may require your permission to open the
Registry Editor and if so, just click on yes.

1. Press the Windows key on your keyboard and type regedit in the search bar and press Enter. 
2. Click on 'File' at the top left of the window that opens then click on Export.
3. Choose a location and name for the file as this will be your backup registry file.
4. Click Save.
5. This backup is created just as a precaution.

Now to find your serial codes for each specific EP or SP installed on your computer:

1. Expand the HKEY_LOCAL_MACHINE folder.
2. Expand the SOFTWARE folder (Wow6432Node for 64 bit systems)
3. Expand the Electronic Arts folder.
4. Expand the Sims folder
5. Expand the EP or SP you need the code for
6. Click on ergc and in the box to the right under 'Data' you will see the code
7. Write it down somewhere save
8. Repeat above steps for each EP

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Instructions for Macs can be found here: Finding your serial key using Terminal

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Finding the code on Origin

If you registered the game on thesims3.com OR bought it on Origin, the serial code can be found in the myGames tab on the Origin client. Download the client from here http://origin.com/download, log in with your data and go to the MyGames tab. Hover over the game and find the i. 

The product code listed there is your serial number (it can be different from your original one if the game was bought before Origin came out)

No access to the serial code

If you lost your serial code and don't have the game installed on an old computer, you need to contact Customer Support.

They can be found here: https://help.ea.com/contact-us

You have the option to contact them by mail, phone or Live Chat. Make sure you have a game, a category and a platform selected for the options to become available.

For Live Chat, make sure to choose US as your country.

If you registered your game to your account, it should be easy to get the code. If not, they'll give you a new code if you can proof that you own the game. See this: Obtaining a Replacement Registration Code