if you plan to use both ade 1.7 and ade 2.0, you can leave the 1.7 version on your computer.
if you're not going to use both, uninstall 1.7 before installing 2.0.
if you plan to use both ade 1.7 and ade 2.0, you can leave the 1.7 version on your computer.
if you're not going to use both, uninstall 1.7 before installing 2.0.