The Sims 3 Create a Sim is a standalone Sims product and doesn't require the Sims 3 to play. Details on the requirements are here:
http://www.buzz99.com/698/the-sims-3-create-a-sim-system-requirements/
The create-a-sim mode from The Sims 2 is another part of the game which has been given a complete makeover for The Sims 3. Here is a run-down of what you can expect to see with the Create-A-Sim mode in The Sims 3.
Body Shaping
In The Sims 3 you are able to shape the body of your sims in the same ways you were able to shape faces in The Sims 2.
Physique Sliders
The weight and fitness of your sims is set by using sliders.
Gameplay Effects Weight
If you create some overweight sims in The Sims 3, they can become slim during the game if they excercise enough. Also sims that are created slim can become fatter if they do not excercise, and eat too much of the wrong stuff. More Info >>>
Minimum System Requirements for PC :
FOR WINDOWS XP (Service Pack 2)
* Pentium IV 2.0 GHz / Athlon XP 2000+ or equivalent
* 1GB RAM of Memory
* At least 2 GB of hard drive space
* 128 MB Video Card with support for Pixel Shader 2.0
* The latest version of DirectX 9.0c
FOR WINDOWS VISTA (Service Pack 1)
* Pentium IV 2.4 GHz / Athlon XP 2400+ or equivalent
* 1.5 GB RAM of Memory
* At least 2 GB of hard drive space
* 128 MB Video Card with support for Pixel Shader 2.0
* The latest version of DirectX 9.0c
FOR COMPUTERS USING BUILT-IN GRAPHICS CHIPSETS, THE GAME REQUIRES AT LEAST
* Intel Integrated Chipset, GMA X3000 or above (GMA 3-series or higher).
* 2.6 GHz Pentium D CPU, or 1.8 GHz Core 2 Duo, or equivalent
* 1.5 GB RAM (XP), 2 GB RAM (Vista)
SUPPORTED VIDEO CARDS FOR PC :
NVIDIA GeForce series
* FX 5900, FX 5950
* 6200, 6500, 6600, 6800
* 7200, 7300, 7600, 7800, 7900, 7950
* 8400, 8500, 8600, 8800
* 9300, 9400, 9500, 9600, 9800
* G100, GT 120, GT 130, GTS 150, GTS 250, GTX 260, GTX 280, GTX 285, GTX 295
ATI Radeon™ series
* 9500, 9600, 9800
* X300, X600, X700, X800, X850
* X1300, X1600, X1800, X1900, X1950
* 2400, 2600, 2900
* 3450, 3650, 3850, 3870,
* 4850, 4870
Intel® Extreme Graphics
* GMA X3×00 series (3-Series GMA), GMA 4-Series
Laptop versions of these chipsets may work, but may run comparatively slower. Standalone cards that are installed in vanilla PCI slots (not PCIe or PCIx or AGP), such as some GeForce FX variants, will perform poorly. Intel integrated chipsets featuring underclocked parts will not perform adequately.
Integrated chipsets such as the ATI Xpress and the NVIDIA TurboCache variants will have low settings selected, but should run satisfactorily.
Please note that attempting to play the game using video hardware that isn’t listed above may result in reduced performance, graphical issues or cause the game to not run at all.
The NVIDIA GeForce FX series is unsupported under Vista.
Minimum System Requirements for MAC :
* Intel Core 2 Duo
* Mac OS X 10.5.7 Leopard or higher
* 2 GB RAM
* 2 GB of free Hard Drive Space
* ATI X1600 or Nvidia 7300 GT with 128 MB of video RAM or Intel Integrated GMA X3100
SUPPORTED VIDEO CARDS FOR MAC:
NVIDIA GeForce series
* 7300, 7600
* 8600, 8800
* 9400M, 9600M GT
* GT 120, GT 130
ATI Radeon™ series
* X1600, X1900
* 2400, 2600
* 3870
* 4850, 4870
Intel® Graphics Media Accelerator (GMA)
* GMA X3×00 series
* Intel ® Graphics Media Accelerator (GMA) GMA 3-Series .
This game will not run on Mac systems with processor PowerPC (G3/G4/G5) or video cards with integrated GMA 950 series.
