Installing AutoIt updates

[Supercross 0]

Is there a recommended install pattern for newer versions of AutoIt and/or the editor?

I think last time I upgraded I uninstalled everything and installed the new version from scratch.

Well, since then I've created several of my own include files that I would hate to accidentally loose.

I also didn't know if duplicate files were a problem.

I guess the main thing is that I don't want "two" versions of autoit or sci installed at the same time.

Can I just install the newest version w/out uninstalling the previous versions?

I was just going to see what you guys typically did for a new version update.

Thanks!