The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
From Deborah Foreman:
ClickaPix is your guide to camera settings. Simply select the type of picture you would like to take, click on the image example and view a brief and concise list of setting suggestions. This quick and easy guide gives you access to information that will help you choose the optimum settings for a wide variety of pictures you may wish to take on the go.ClickaPix is a basic guide for photographers who have a DSLR camera or compact digital with manual settings. It is also advisable that you have a good understanding of your camera and lenses, as well as general knowledge behind Aperture, ISO and Shutter speeds to maximize the information given.