If you download The Sims 3 - Anthology -2009-2013 - Repack By RG Mechanics , here is the typical workflow:
The repack by RG Mechanics is a highly compressed, "all-in-one" compilation designed for efficiency, containing the base game and its extensive catalog of downloadable content. Key Features of the Anthology Repack
With The Sims 4 now a decade old and Project Rene (Sims 5) on the horizon, why seek out a repack from 2014?
Significantly smaller download size compared to the full retail collection, often achieved by removing non-English languages or highly compressing data.