error when sideloading ios software with xcode

I am getting error: “cant be opened because it is from an unidentified developer” when trying to side load a .ipa file using xcode 7. I have tried adding the “AppleWWDRCA” certificate like a lot of places has said online but i am still getting the same error.
Answer #1
Did you pay for it?
Answer #2
Have you enabled Sideloading in Windows ?
Answer #3
Have you enabled Sideloading in Windows ?
I am using os x but the app is for the iphone.
Answer #4
Bump….
Answer #5
Don`t know if this will help you might do
http://bouk.co/blog/sideload-iphone/