Updating FSDS2 to 2.11

Been to the Abacus site & cannot see how to upgrade my FSDS2.10 to 2.11.
And is there a way to avoid downloading all the help files again, or have they been upgraded too?
Apologies if I am being blind here.
http://www.abacuspub.com/
And is there a way to avoid downloading all the help files again, or have they been upgraded too?
Apologies if I am being blind here.
http://www.abacuspub.com/