Unity Pro 4.x Commercial

System Requirements for Unity Authoring:

• Windows: XP SP2 or later
• Mac OS X: Intel CPU & "Leopard" 10.5 or later.
• Note that Unity was not tested on server versions of Windows and OS X.
• Graphics card with DirectX 9 level (shader model 2.0) capabilities. Any card made since 2004 should work.
• Using Occlusion Culling requires GPU with Occlusion Query support (some Intel GPUs do not support that).

System Requirements for Unity iOS Authoring:

• An Intel-based Mac
• Mac OS X "Snow Leopard" 10.6 or later

System Requirements for Unity Android Authoring:

• In addition to the general system requirements for Unity Authoring
• Windows XP SP2 or later; Mac OS 10.5.8 or later
• Android SDK and Java Development Kit (JDK)

System Requirements for Unity-Authored Content:

• Windows XP or later; Mac OS X 10.5 or later.
• Just about any 3D graphics card, depending on complexity.
• Online games run on all browsers, including IE, Firefox, Safari, and Chrome, among others.
• Android authored content requires devices equipped with: Android OS 2.0 or later
• Device powered by an ARMv7 (Cortex family) CPU
• GPU support for OpenGLES 2.0 is recommended
   

System Requirements for Unity Flash Player Pro:

• Windows: 7, XP SP2, or later
• Mac OSX: Intel CPU & "Leopard" 10.5 or later.
• Note that Unity was not tested on server versions of Windows and OSX.
• Graphics card with 64 MB of VRAM and pixel shaders or 4 texture units.