Go to this post to see how to request for early access for FNiM1, it’s super easy.
http://gamejolt.com/games/five-nights-in-minecraft/230824/devlog/sign-up-for-early-access-bbs9aqz8
Or just go directly for the request!
https://docs.google.com/forms/d/e/1FAIpQLSepTgThXULP09dgSxSAW1uHA-P0SamxtIc2CtvtI4htC3ZlAw/viewform?c=0&w=1