Battlefield Heroes is designed to run on most computers (even low-end laptops) so that more people can play!

Minimum specs

The following is the minimum PC specifications required to run Battlefield Heroes.

• Operating System: Windows XP or Windows Vista
• CPU: 1.0 GHz
• RAM: 512 Mb (1Gb on Windows Vista)
• Video Card: 64Mb DirectX compliant video card with at least pixel shader 2.0 support
• Hard Drive space: 1Gb of space is required to install the game
• Internet connection: 256kbit Cable/DSL connection

Source: Official Website