[help] can not install apk files on my S5 topic

hello
when i am trying install apk apps that i download from torrent or smth.. i press install it does not install it and shows nothing. here some pics
first img http://postimg.org/image/lblf49tnd/
when i try install the program
http://postimg.org/image/5emn7k195/

nothing happends.. plz help