Will jagex release a downloadable client version of Runescape

1.      How to install runescape 3

Are you guys going to be releasing a downloadable client version? It would be nice to be able to test that out, because I spend 100% of my time playing on the client version. If you are searching for how to install runescape 3, How to log in Runescape 3 may help you in some way.