This is where things get gray.
rather than the official digital Ultimate Collection (UC) released by EA on Origin in 2014. It was ripped directly from the original game discs. Missing Content: Notably, the IKEA Stuff Pack The Sims 2 Ultimate Collection 2014 Multi 21 Repack Mr DJ
Assuming you have downloaded the 6.5GB ISO or folder from your source of choice (archive.org, torrent network), here is how to install. This is where things get gray
If you plan to run this on a modern computer, you will likely need two community tools to fix graphical glitches (like black squares under Sims or low resolution): The Sims 2 Ultimate Collection 2014 Multi 21 Repack Mr DJ