The latest version of blender 2.71 has been released. And very simple downloading link is available for download. This version of blender can support for all operating systems. Blender is animation tool. It is used for modeling. Now blender has integrated rendering with both its native renderer and the raytracer Yafray as well supporting many external renderers; and python based scripting.
Provided the Blender binary is in the original extracted directory, Blender will run straight out of the box. No system libraries or system preferences are altered.
How to install it on your PC
First of all you will need to download latest version of blender. And just install it on your pc. It can support for all operating systems.
It supports for 32,64bit.
Blender latest version(Official site)