how do I update to a new wallet? do I need to? I havent played with dogecoin since 2014, my wallet will open and show my balance and i think my long as code.  It says out of sync though in a few places.  

Do I need to transfer everything to a new wallet? can i update the one I have. 

What do I need to transfer everything? Just the code, or the password I probably used 5 years ago too?

And finally whats the best way to move it to btc, i dont mind paying some fees, since obviously its been of no use to me for 5 years now anyway.