cant install sims 4 after forgetting Origin password

I believe you can only play this on the original origin account, as my understanding is that the game has a single use code. It would seem logical that they would, or you would be able to request that they would send a confirmation of your password (or new password to your / your daughters email address), or something similar to that. There should be no need to reinstall the game, only to open it up from the "My Games" menu once you're into the original origin account. Hope this helps! 🙂