Blender 2.56 Download Já!

32 bit's windows: http://www.blender.org/dl/http://download.blender.org/release//Blender2.56abeta/blender-2.56a-beta-windows32.exe
64 bit's windows: http://www.blender.org/dl/http://download.blender.org/release//Blender2.56abeta/blender-2.56a-beta-windows64.exe