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.
From Steve Kellock:
A tasty WoW 4.0 talent calculator. Om nom nom.Respec is a talent calculator for World of Warcraft 4.0 designed exclusively for the iPad.Features:* Built for the newly released World of Warcraft 4.0* Browse the new 31-point talent trees* View the new masteries unlocked at level 80* View the new primary class spells unlocked at level 10* Browse the over 300 glyphs available in the game.* Spend and plan your builds from level 10 through to 85* Add favorites* Share your builds with friends by exporting and importing through email* Sleek and minimalist UI design(Respec is a term used by WoW players to indicate they're changing their character's talents. But I'm guessing you knew that.)Follow us on Twitter @respecapp, post a review, send feedback. Let's make this thing great!Respec - 2011 Steve Kellock. All rights reserved.World of Warcraft - 2011 Blizzard Entertainment, Inc. All rights reserved.