The "Download Now" link directs you to the iTunes App Store, where you must continue the download process. You must have iTunes installed in order to open the link, and you must have an active iTunes account to download the application. This download may not be available in some countries.
A simple process for solving problems. Applicable to most people in most situations. Sit down, and work through the six steps for finding a solution. Based upon the well-known Thinkers Keys system, written by educator Tony Ryan.