HElloi cant get past error above on my devicestried both iPad and iPhoneon my first projectall content has "published"and i I have clicked the preflight button in the project many many timesplease helpmike

Hii have a trail of DPS 2015 & im just working through the tutorialsWhat you need section(iOS apps) Valid development certificate (and password) and development mobileprovision file that includes your device ID I read that to get above i need to create apple developer accountso i started process with apples site - but it costs $99i just want to create a example magazine type appthen somehow preview it on a ipadi dont really care if its a 'fake' app preview veiwer or whateveras long as its approx...