The third generation iPod was released on April 29, 2003 and featured a brand new touch sensitive wheel called the Click Wheel. A touch sensitive iPod wheel with the four buttons below the screen. A 10GB iPod was sold for $299, a 15GB iPod for $399 and a 30GB iPod for $399. On September 8, 2003 the Microsoft music software Musicmatch was discontinued and iTunes became available for Windows making the iPod compatible with Windows.