Rhino5 64bit installation

Hi
I have just installed rhino 5 in my new computer and cant find the 64 bit installation.
Where can it be found.
Thanks

I Found it.
http://www.rhino3d.com/download/Rhino/5.0/sr

If you have a 64-bit system, Rhino should install both 32-bit and 64-bit without asking. So I’m not sure that downloading another version will help you. Then again, it’s always a very good idea to install the latest SR.