The Sims 3 Complete Edition Repack By Blackbox Upd Link

One crucial detail: BlackBox has released two versions over the years.

Furthermore, the repack usually comes with a pre-configured GraphicsRules.sgr file that allows the game to recognize modern GPUs (RTX 30/40 series, Radeon 6000+). The official version, if left unmodified, still thinks your 16GB VRAM card is a "Generic" device with 32MB of memory. The Sims 3 Complete Edition RePack by BlackBox