Minimum Requirements:
CPU : Intel P4/NetBurst Architecture or its AMD Equivalent (AMD K7)
RAM : 2GB
GPU : Intel GMA 950 or AMD Equivalent
HDD : At least 90MB for Game Core and Sound Files
Java Runtime Environment (JRE) 6 or up is required to be able to run the game.
Recommended Requirements:
CPU : Intel Pentium D or AMD Athlon 64 (K8) 2.6 GHz
RAM : 4GB
GPU : GeForce 6xxx or ATI Radeon 9xxx and up with OpenGL 2 Support (Excluding Integrated Chipsets)
HDD : 150MB
Software Requirements:
Minecraft Release 1.2.5 or newer. Older versions will need to be updated to current versions
Java (Java SE 6 Update 32 or Java SE 7 Update 4 or newer is preferred)
Please note that some users experience issues playing Minecraft while using a mismatched version of Java for their operating system (32 or 64 bit), while using certain versions of Java 7, or while multiple versions of Java are installed