how to use Microsoft Lync 2013 or skype for business 2015 SDK to add communications and collaboration functionality from skype for business to my application using c# and asp.net

I want to Use Microsoft Lync 2013 or skype for business 2015 SDK to add communications and collaboration functionality from skype for business to my application using c# and asp.net, i already downloaded UcmaRuntimeSetup but i don't have any information on how to do it