iTunes 10.5 beta 4

http://www.freakgeeks.com/2011/12166/itunes-10-5-beta-4-for-windows-released-to-work-with-ios-5-beta-4-direct-download-links/ windows

http://iphoneism.com/2011/07/22/download-links-itunes-10-5-beta-4-windows-mac/ windows/MAC