Systemrequirements,  Expansion  Memory  Processor Videocard  Sims-2  256 MB  800 Mhz  32 MB T&L  Nightlife  256 MB  1,0 Ghz  32 MB T&L  Univeristy  256 MB  1,0 Ghz  32 MB T&L  Open For Business  256 MB  1,0 Ghz  32 MB T&L  Pets  256 MB  1,3 Ghz  32 MB T&L  Seasons  256 MB Vista 512 MB  1,3 Ghz  32 MB T&L  Bon Voyage  512 MB Vista 1 GB  1,3 Ghz Vista 2,0 Ghz  32 MB T&L  Free Time  512 MB Vista 1 GB  1,3 Ghz Vista 2,0 Ghz  32 MB T&L  Appartements  1GB Vista 2GB  1,8 Ghz Vista 2,4 GhZ  64 MB T&L  Mansion & Garden  1GB Vista 2GB  1,8 Ghz Vista 2,4 GhZ  64 MB T&L When your video-card does not have the capablility of T&L you need 128MB on your card With 5 or more axpansion you require 512 MB system RAM in XP or 1 GB in Vista Sims Stories  Expansion Memory  Processor Grafic card Petstories 256 mb 1,4 Ghz  32 mb T&L Lifestories   256 mb 1,4 Ghz  32 mb T&L   Castawaystories 256 mb Vista 1 gb 1,8 Ghz  32 mb T&L