Node Js npm install error

Im new to node js, im about to install a package via 'npm install', as you can see its 'ursa'. So for now im stuck with this error C1083.

I use a 64bit maschine, OpenSSL is installed. Path of OpenSLL is C:\OpenSSL-Win64

Error-Log http://i.stack.imgur.com/CQSct.png

Microsoft Windows [Version 6.1.7601]

It seems your C++ compiler has problems finding the OpenSSL header files.

The Ursa GitHub page contains multiple issue topics about it not finding openSSL. There is a solution for ubuntu, but there is no general solution for Windows yet. I'd suggest asking for help there