Re: I can't install Sims 3 Supernatural

You need to either contact EA customer support or customer support of the site you bought the key at.

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.

If the Live Chat option is not active for you, choose US as your country.