ITunes

iTunes is Apple's music and video management software. It also serves as a desktop client for the iTunes Store and handles iPod/iPhone synchronization.

It consists of 3 major components: iTunes itself, QuickTime and Apple Mobile Device Support (AMDS). QuickTime is used for audio/video playback and encoding, while AMDS is the component responsible for synchronizing with iPhone/iPod Touch.

Mac OS X versions

iTunes version	AMDS version	Download URL	SHA-1 hash	File size	Comments
8.0.1.?	???	iTunes801.dmg (defunct)	722f5603bd12808d895cf822f3c4267febc56b74	???	This was deleted by Apple.
8.0.1.12	1.8.5.7	iTunes801.dmg	35c736471228e0b47a0fb54a52447ec8ff11681f	58,696,603
8.0.2.20	1.8.5.13	iTunes802.dmg	ad1d027ec850af8c70a3af39eb3c47e1192067df	60,559,358
8.1.0.50	2.0.5.7	iTunes81.dmg	6c9ee64741158c9f45417b965b38b01ea3b51af1	66,440,133
8.1.1.10	2.0.5.7	iTunes811.dmg	447933eee85feca7b8a2335e441202794c19b966	69,231,745
8.2.0.23	2.3.8.0	iTunes8.2.dmg	a07c4fb0dfd94ba238024cf8d448165da24e5be5	81,038,040	The first public version to support iPhone OS 3.0
8.2.1.6	2.3.8.0	iTunes8.2.1.dmg	f6d1e5453b7c2ae9a85fe61a7d0eaf972e4d7266	81,050,406	Disables syncing with Palm Pre. Does not put signed iBSS/iBEC in temp folder on 3GS restores.

Windows versions (32-bit)

iTunes version	QuickTime version	AMDS version	Download URL	SHA-1 hash	File size	Comments
8.0.0.35	7.55.90.70	2.1.0.25	iTunes8Setup.exe	5d4ff8ffbe9feeaed67deb317797c1d71a03c359	67,822,888	The first public release of 8.0. Introduced many new features, including Genius playlists.
8.0.0.35	7.55.90.70	2.1.0.25	iTunes8Setup.exe	09bd8dd0b055f1b63205d5c9c9a00e4d42e38a3e	67,110,184	This version was released only 2 days after the official 8.0 release, supposedly to fix blue screen errors. Also removed device icons for iPhones and iPods.
8.0.1.11	7.55.90.70	2.1.1.13	iTunes801Setup.exe	7342c1aa7c458db14c67e8635ee475adcc1d38be	67,167,528
8.0.2.20	7.55.90.70	2.1.2.7	iTunesSetup.exe	96113274f450dfe2893805353663b2436161b15a	68,756,776	CoreFP library was moved from the QuickTime installer into iTunes
8.0.2.20	7.60.92.0	2.1.2.7	iTunesSetup.exe	50c0e31eda9ab0a5902d2242ba2fd74ef5be7c99	69,076,264
8.1.0.51	7.60.92.0	2.4.0.27	iTunesSetup.exe	562bcc78760c4055f84d53730089a62dfa9c3fcf	73,336,104	Version 8.1 was notable for significant performance improvements on Windows. Also brought back device icons.
8.1.0.52	7.60.92.0	2.4.0.27	iTunesSetup.exe	00bd8842cf0f2026cc4590ef434f6846eeca7fa4	73,332,008
8.1.1.10	7.60.92.0	2.4.1.7	iTunesSetup.exe	cad92e6882b5fb49d710d342f315d7d6293e2b0a	74,302,760
8.2.0.23	7.62.14.0	2.5.0.31	iTunesSetup.exe	16f5b1e787b36aece842ea5ae80bfc6bf2b32b19	77,690,152	The first public version to support iPhone OS 3.0
8.2.0.23	7.62.14.0	2.5.1.3	iTunesSetup.exe	b1fbcba068c32c25d8987b81ce60cc660b90ccd8	77,690,152
8.2.1.6	7.62.14.0	2.5.2.2	iTunesSetup.exe	797da9711caf87d114e2a5b88523fa825753b530	77,976,864	Disables syncing with Palm Pre. Does not put signed iBSS/iBEC in temp folder on 3GS restores.

Windows versions (64-bit)

iTunes version	QuickTime version	AMDS version	Download URL	SHA-1 hash	File size	Comments
8.0.2.20	7.55.90.70	2.1.2.7	iTunes64Setup.exe	3c0de1135a6f7324ff691e99a8fefa385219bb0a	69,323,048	CoreFP library was moved from the QuickTime installer into iTunes
8.1.0.52	7.6.0.92	2.4.0.27	iTunes64Setup.exe	fb07309a0196b424ed434be1143f9e8bcd978d62	73,855,272
8.1.1.10	7.6.0.92	2.4.1.7	iTunes64Setup.exe	40a82ba08885bd8797f70b8199df5526f3f2d409	74,820,904
8.2.0.23	7.6.2.14	2.5.0.31	iTunes64Setup.exe	b8739f847f2b66835f4f4b542b3308de96d418ed	78,721,320	The first public version to support iPhone OS 3.0
8.2.1.6	7.6.2.14	2.5.2.2	iTunes64Setup.exe	8985afce9ab6d4483c43308cf34e6217e903000a	78,999,840	Disables syncing with Palm Pre. Does not put signed iBSS/iBEC in temp folder on 3GS restores.