Custom clothes, objects, buildings and other content are available from Sims modification websites. Custom content files are usually available as downloadable ZIP files that you save onto your desktop and copy into the Sims 3 application file. There are three types of files you'll be installing: .package, .sim and .sims3pack. You'll also need a configuration file called "resource.cfg" so your game will recognise your custom content. The CFG file is available from Sims mod websites like Mod the Sims and Peggy Zone.
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Things you need
- Zip extraction program
- Resource.cfg file
Download and install a ZIP extraction program if you don't have one. Some programs for Mac are Zipeg, MacZip and KeKa. Follow the installation instructions provided by the software maker.
Go to a Sims mod site such as Mod the Sims or Peggy Zone and download the "resource.cfg" file. While you're there, find custom content files you want to add to your game. If you want more options, use a search engine to search for "Sims 3 custom content" to find more websites with content that may appeal to you.
Follow the download instructions on the website and save the ZIP file to your desktop. You may need to sign up for a free account when you download.
Double-click the ZIP file on your desktop. A folder with all the content files inside is automatically created.
Click on Finder in the dock, open the "Applications" folder and double-click on the "The Sims 3" icon.
Right-click or Control-click on the the "The Sims 3" icon to open a list of options. Choose "Show Package Contents."
Open the Contents folder and then double-click your way through the following folders: "Resources," "transgaming," "c_drive," "Program Files," "Electronic Arts" and "The Sims 3."
Drag the resource.cfg file from your desktop into the Sims 3 folder you just opened.
Control-click or right-click inside the Sims 3 folder and select "New Folder." Name the folder "Mods" with a capital "M" and without quotation marks. Double-click the Mods folder and right-click again to create a new folder. Name this folder "Packages" with a capital "P" and without quotation marks.
Click on the custom content files you downloaded to your desktop and drag them into the "Packages" folder. Next time you launch The Sims 3 your custom content will be available to use.
Tips and warnings
- Always back up your game before installing custom content.
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