Sims 3:Large Address Aware/Large Address Aware (app)

1. Download and extract Large Address Aware to a location you can find it (the desktop will suffice).
2. Browse your PC for TS3W.exe under C:\Program Files (x86)\Electronic Arts\The Sims 3\Game\Bin
3. Check the box (if it isn't already) to enable large address aware and click Save.