@EMFSRMEDAENM Do your other expansions show as owned when you look at the 32-bit version of Sims 3? A number of players have not received the 64-bit versions despite owning the 32-bit versions of some packs, or even the base game. If that's the issue, you'll need to contact EA customer support to ask that the "entitlements," as they're called, for the 64-bit versions of your missing packs be added to your account.
https://help.ea.com/en/contact-us/
If your packs aren't listed as owned at all, you'll also need to contact EA support. You may need to provide proof of purchase or ownership, e.g. receipts or credit card statements, or photos of discs along with the cases and inserts with the product codes showing.
As for the mods and custom content, you can transfer the files to your new Sims 3 user folder, which I'm guessing you found once you launched the game for the first time. The best practice is to only copy over the files you need, and additionally to copy the files themselves, not the folders they're in. Here's a list of everything in your user folder, so you'll know what you might want to transfer.
https://sims3.crinrict.com/en/2011/01/faq-user-files.html
As far as we can tell, any mod that works on patch 1.67/1.69 also works in the new Mac version; that should also be true of custom content, although I haven't tested much.
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I don't work for EA. I'm just trying to help fellow players with their games.
