In order for you to play LEGO Harry Potter: Years 1-4 on Windows with minimal graphics settings, your computer must meet the following requirements
OS *:
Windows XP/Vista
Processor (CPU):
Intel P4 1.8 GHz/AMD Athlon XP 2200+
RAM:
512MB
Graphics Card:
ATI X1300/NVIDIA GeForce FX 5800 (256 MB RAM)
Sound Card:
100% DirectX®9.0c compatible audio device
Input Devices:
Keyboard; Xbox 360 Controller for Windows supported
In order to play LEGO Harry Potter: Years 1-4 on Windows with maximum graphics settings, you need a computer with a configuration no worse than the following
OS *:
Windows XP/Vista
Processor (CPU):
Intel Core 2 Duo/AMD Athlon 64, 2.8GHz
RAM:
2GB
Graphics Card:
ATI HD 2900/NVIDIA GeForce 8800
Sound Card:
100% DirectX®9.0c compatible audio device
Input Devices:
Keyboard; Xbox 360 Controller for Windows supported