Windows 10 Iron

Windows 10 Iron is a version of Windows 10. It is the first version that includes the new fluent design start menu.

Pre-Insider Preview

 * ''10.0.20133.rs_prerelease.200519-1427
 * ''10.0.20133.rs_onecore_dep.200519-1740
 * ''10.0.20144.rsmaster.200604-1346
 * ''10.0.20145.1001.rs_opt.200605-1833
 * ''10.0.20148.rs_onecore_dep.20????-????

Insider Preview, Redstone Branch

 * 10.0.20150.1000.rs_prerelease.200612-1734 - Released on 2020-06-17
 * 10.0.20151.rs_prerelease.20????-????
 * 10.0.20152.1000.rs_prerelease.200617-1502 - Released on 2020-06-24
 * 10.0.20158.rs_prerelease.200624-1504
 * 10.0.20159.rs_onecore_dep.200625-1700
 * 10.0.20161.1000.rs_prerelease.200627-1754 - Released on 2020-07-01
 * 10.0.20167.rs_onecore_dep.200707-1700
 * 10.0.20168.rs_prerelease.200708-1420
 * 10.0.20170.1000.rs_prerelease.200710-1419 - Released on 2020-07-15
 * 10.0.20170.1001
 * 10.0.20171
 * 10.0.20172.rs_prerelease.200714-1314
 * 10.0.20175.1000.rs_prerelease.200717-1349 - Released on 2020-07-22
 * 10.0.20175.1001
 * 10.0.20177.rs_prerelease.200722-1439
 * 10.0.20180.1000.rs_prerelease.200725-1714 - Released on 2020-07-29
 * 10.0.20181.rs_onecore.200727-1408
 * 10.0.20185.1000.rs_prerelease.200731-1415 - Released on 2020-08-05
 * 10.0.20190.1000.rs_prerelease.200807-1609 - Released on 2020-08-12
 * 10.0.20192.rs_onecore_ens.200811-1500
 * 10.0.20192
 * 10.0.20193
 * 10.0.20194.1000.rs_onecore_dep.200813-1700
 * 10.0.20195
 * 10.0.20196.rs_prerelease.200817-1415
 * 10.0.20197.1000.rs_prerelease.200818-1420 - Released on 2020-08-21
 * 10.0.20200.rs_prerelease.200821-1345
 * 10.0.20201.1000.rs_prerelease.200822-1922 - Released on 2020-08-26
 * 10.0.20203.rs_apps.200825-1410
 * 10.0.20203.rs_onecore_base2_hyp.200826-1700
 * 10.0.20206.1000.rs_prerelease.200828-1431 - Released on 2020-09-02
 * 10.0.20207.rs_prerelease.200831-1335
 * 10.0.20211.1000.rs_prerelease.200904-1619 - Released on 2020-09-10
 * 10.0.20211.1005.rs_prerelease_flt.200904-1700 - Released on 2020-09-11 but was pulled next day
 * 10.0.20215.1000.rs_prerelease.200911-1500 - Released on 2020-09-16
 * 10.0.20221.1000.rs_prerelease.200919-1857 - Released on 2020-09-23
 * 10.0.20222.rs_prerelease.200921-1335
 * 10.0.20223.rs_onecore_dep.200922-1700
 * 10.0.20226.1000.rs_prerelease.200925-1415 - Released on 2020-09-30
 * 10.0.20231.1000.rs_prerelease.201002-1444 - Released on 2020-10-07
 * 10.0.20231.1005.rs_prerelease_flt.201002-1518 - Released on 2020-10-12
 * 10.0.20233.rs_prerelease.201006-1449
 * 10.0.20233.rs_onecore_base.201006-1616
 * 10.0.20235.rs_prerelease
 * 10.0.20236.1000.rs_prerelease.201009-1631 - Released on 2020-10-14
 * 10.0.20236.1005.rs_prerelease_flt.201009-1648 - Released on 2020-10-16
 * 10.0.20239.1000.rs_prerelease.201014-1420
 * 10.0.20241.1000.rs_prerelease.201016-1450 - Released on 2020-10-21
 * 10.0.20241.1005.rs_prerelease_flt.201017-1308 - Released on 2020-10-23
 * 10.0.20241.1001.rs_prerelease.201019-2018

Insider Preview, Iron Branch

 * 10.0.20246.1.fe_release.201024-2009 - Released on 2020-10-29