The Sims 2 is required to play The Sims 2 Nightlife. If you have a T&L capable video card with at least 32 MB of video RAM then you need at least: 800 MHz processor or better; 256 MB RAM if Windows XP, Windows ME, Windows 98 or Windows 2000; At least 3.5 GB of hard drive space If you have a non-T&L capable video card (an Intel Extreme Graphics or a Radeon 7000/VE Series) then you need at least: 2.0 GHz processor or better; 256 MB RAM if Windows XP, Windows ME, Windows 98, or Windows 2000; At least 3.5 GB of hard drive space