New Computer - Expansion Pack won't load into game

@bowserpx106  Please clear Origin's cache:

https://help.ea.com/en-us/help/faq/clear-cache-to-fix-problems-with-your-games/

and repair the game, even if you have before: open your Origin game library, right-click on the Sims 4 icon, and select Repair.

Launch the game a couple times to see whether Get Famous loads.