How to add songs from Chordie to Ipad/PC - Linkesoft Songbook

I am having difficulty finding an easy way to transfer my Chordie Songbook to my PC and IPad- I have downloaded Songbook App from Linkesoft for IPad and also to my PC Songbook Windows 2  What am I not doing? I also have Dropbox- I try and copy the songs but cannot get it to paste- do I drag and drop somewhere? I am really stumped and need help please!