I've copied and pasted the iTunes download links from the troubleshooting page (which is a fraction of the content on that page). Due to the 5000 character limit per post, this will be done in a couple posts.
N.b. iTunes 12.2 and later versions require Windows 7 or later.
iTunes 12.9.1.4 for Windows (32-bit) - iTunesSetup.exe (2018-10-24) Current
iTunes 12.9.1.4 for Windows (64-bit) - iTunes64Setup.exe (2018-10-24) Current
iTunes 12.9.0.167 for Windows (32-bit) - iTunesSetup.exe (2018-09-12)
iTunes 12.9.0.167 for Windows (64-bit) - iTunes64Setup.exe (2018-09-12)
iTunes 12.8.0.150 for Windows (32-bit) - iTunesSetup.exe (2018-07-09)
iTunes 12.8.0.150 for Windows (64-bit) - iTunes64Setup.exe (2018-07-09)
iTunes 12.7.5.9 for Windows (32-bit) - iTunesSetup.exe (2018-05-29)
iTunes 12.7.5.9 for Windows (64-bit) - iTunes64Setup.exe (2018-05-29)
iTunes 12.7.4.80 for Windows (32-bit) - iTunesSetup.exe (2018-04-16)
iTunes 12.7.4.80 for Windows (64-bit) - iTunes64Setup.exe (2018-04-16)
iTunes 12.7.4.76 for Windows (32-bit) - iTunesSetup.exe (2018-03-29)
iTunes 12.7.4.76 for Windows (64-bit) - iTunes64Setup.exe (2018-03-29)
iTunes 12.7.3.46 for Windows (32-bit) - iTunesSetup.exe (2018-01-23)
iTunes 12.7.3.46 for Windows (64-bit) - iTunes64Setup.exe (2018-01-23)
iTunes 12.7.2.60 for Windows (32-bit) - iTunesSetup.exe (2017-12-13)
iTunes 12.7.2.60 for Windows (64-bit) - iTunes64Setup.exe (2017-12-13)
iTunes 12.7.2.58 for Windows (32-bit) - iTunesSetup.exe (2017-12-06) Min. build able to access accounts apart from 12.6.4.3/12.6.5.3
iTunes 12.7.2.58 for Windows (64-bit) - iTunes64Setup.exe (2017-12-06)Min. build able to access accounts apart form 12.6.4.3/12.6.5.3
iTunes 12.7.1.14 for Windows (32-bit) - iTunesSetup.exe (2017-10-30)
iTunes 12.7.1.14 for Windows (64-bit) - iTunes64Setup.exe (2017-10-30)
iTunes 12.7.0.166 for Windows (32-bit) - iTunesSetup.exe (2017-09-12)
iTunes 12.7.0.166 for Windows (64-bit) - iTunes64Setup.exe (2017-09-12)
iTunes 12.6.5.3 for Windows (32-bit) - iTunesSetup.exe (2018-09-12) Last build to support apps, books, and tones
iTunes 12.6.5.3 for Windows (64-bit) - iTunes64Setup.exe (2018-09-12) Last build to support apps, books, and tones
iTunes 12.6.4.3 for Windows (32-bit) - iTunesSetup.exe (2018-03-29)
iTunes 12.6.4.3 for Windows (64-bit) - iTunes64Setup.exe (2018-03-29)
iTunes 12.6.3.6 for Windows (32-bit) - iTunesSetup.exe (2017-09-22)
iTunes 12.6.3.6 for Windows (64-bit) - iTunes64Setup.exe (2017-09-22)
iTunes 12.6.2.20 for Windows (32-bit) - iTunesSetup.exe (2017-07-19)
iTunes 12.6.2.20 for Windows (64-bit) - iTunes64Setup.exe (2017-07-19)
iTunes 12.6.1.25 for Windows (32-bit) - iTunesSetup.exe (2017-05-15)
iTunes 12.6.1.25 for Windows (64-bit) - iTunes64Setup.exe (2017-05-15)
iTunes 12.6.0.100 for Windows (32-bit) - iTunesSetup.exe (2017-03-23)
iTunes 12.6.0.100 for Windows (64-bit) - iTunes64Setup.exe (2017-03-23)
iTunes 12.6.0.95 for Windows (32-bit) - iTunesSetup.exe (2017-03-21)
iTunes 12.6.0.95 for Windows (64-bit) - iTunes64Setup.exe (2017-03-21)
iTunes 12.5.5.5 for Windows (32-bit) - iTunesSetup.exe (2017-01-23)
iTunes 12.5.5.5 for Windows (64-bit) - iTunes6464Setup.exe (2017-01-23)
iTunes 12.5.4.42 for Windows (32-bit) - iTunesSetup.exe (2016-12-12)
iTunes 12.5.4.42 for Windows (64-bit) - iTunes6464Setup.exe (2016-12-12)
iTunes 12.5.3.17 for Windows (32-bit) - iTunesSetup.exe (2016-11-02)
iTunes 12.5.3.17 for Windows (64-bit) - iTunes6464Setup.exe (2016-11-02)
iTunes 12.5.3.16 for Windows (32-bit) - iTunesSetup.exe (2016-10-31)
iTunes 12.5.3.16 for Windows (64-bit) - iTunes6464Setup.exe (2016-10-31)
iTunes 12.5.2.36 for Windows (32-bit) - iTunesSetup.exe (2016-10-27)
iTunes 12.5.2.36 for Windows (64-bit) - iTunes6464Setup.exe (2016-10-27)
iTunes 12.5.1.21 for Windows (32-bit) - iTunesSetup.exe (2016-09-13)
iTunes 12.5.1.21 for Windows (64-bit) - iTunes6464Setup.exe (2016-09-13)
iTunes 12.5.1.21 for Windows (64-bit - for older video cards) - iTunes64Setup.exe (2016-09-08)