Compiling Cocos2d WinRT project for ANY CPU

I have been able to compile my project for Win32 and ARM but not for x64. Can someone share any experience or any process that I should follow to compile of ANY CPU.

Thank you so much for your help.

The libs for x64 are not available at the moment.
https://github.com/MSOpenTech/cocos2d-x/issues/23