You can tell what type of file you have by looking at its file extension. After extracting your file, you need to know which type of file it is. In order to download your CC, you will need a program that can extract “archive” files, such as WinRar, 7zip… in case your download was compressed. Hover over your base game icon to find out the game version. To check which patch you’re running, open your Launcher and look in the bottom left corner. So you need to update your game to version 1.26 or newer. But luckily most legit modders have updated their creations to Pets Expansion Pack patch. I’ve had that issue countless times where it caused weird bugs and annoying crashes to my game. So you must be careful and read about what you’re downloading. But that also means CC from previous versions might harm your game as well. Most important thing to do before downloading any CC, is to make sure your game is fully patched to the latest version to prevent any unwanted behavior caused by CC from later versions. This is a basic summary of the steps to take to download and install custom content for The Sims 3. As requested, a simple guide explaining how to install Custom Content in The Sims 3… Summary

Custom content sims 3