there is it will suggest to install there.
if that folder does not exist (or is not writable), it will try
~/pd-externals.
and so on.
so, the order deken searches seem to be: user-specific, global, application-specific
since the suer/global folders aren't created (anymore), application is usually the first and only option. Now, in windows, that folder is not writeable... so deken cannot offer anything that'll work right away.
But the thing is that it prompts you for downloading to this folder which is not writeable anyway... even though it will fail.
So I wonder and ask if it really skips an option if the folder is not writeable.