Windows 10 20H1

Windows 10 20H1 is the ninth major update for Windows 10. It was released on May 27th, 2020.

Build 18836

 * 1) Bug fixes
 * 2) Name of Windows Light theme changed to Windows (light)

Build 18841

 * 1) Bug fixes

Build 18845

 * 1) Bug fixes

Build 18850

 * 1) Bug fixes

Build 18855

 * 1) Bug fixes
 * 2) Notepad now saves content after restarting for an update

Build 18860

 * 1) SwiftKey improvements
 * 2) Bug fixes

Build 18865

 * 1) Narrator improvements
 * 2) Bug fixes

Build 18875

 * 1) Improvements to east Asian Microsoft Input Method Editor (IME)
 * 2) Bug fixes

Build 18885

 * 1) The phone screen feature introduces support for seven more phones
 * 2) New notifications feature for the Phone app
 * 3) 12 more languages support dictation
 * 4) Feedback Hub is updated to version 1.1903
 * 5) Improvements to Narrator
 * 6) Bug fixes

Build 18890

 * 1) "Friendly dates" in File Explorer is now disabled
 * 2) Bug fixes

Build 18894

 * 1) Redesigned search UI in File Explorer
 * 2) Accessibility improvements
 * 3) Bug fixes

Build 18895

 * 1) The Your Phone app works again

Insider Preview (Redstone branch)

 * 10.0.18836.1001.rs_prerelease.190208-1649 - Released on 2019-02-14
 * 10.0.18841.1000.rs_prerelease.190215-1738 - Released on 2019-02-22
 * 10.0.18845.1001.rs_prerelease.190223-1718 - Released on 2019-02-28
 * 10.0.18850.1000.rs_prerelease.190301-2054 - Released on 2019-03-06
 * 10.0.18855.1000.rs_prerelease.190308-1605 - Released on 2019-03-13
 * 10.0.18860.1001.rs_prerelease.190315-2228 - Released on 2019-03-20
 * 10.0.18865.1000.rs_prerelease.190322-1503 - Released on 2019-03-27
 * 10.0.18875.1000.rs_prerelease.190405-1518 - Released on 2019-04-10
 * 10.0.18882.rs.xbox.190416-1400
 * 10.0.18885.1001.rs_prerelease.190419-1606 - Released on 2019-04-26
 * 10.0.18887.rsmaster.190423-1449
 * 10.0.18890.1000.rs_prerelease.190426-1618 - Released on 2019-05-01
 * 10.0.rs_oncore_base2.190429-1542
 * 10.0.18894.1000.rs_prerelease.190503-1728 - Released on 2019-05-08
 * 10.0.18895.1000.rs_prerelease.190507-2033 - Released on 2019-05-10
 * 10.0.18898.1000.rs_prerelease.190510-1634 - Released on 2019-05-15
 * 10.0.18889.rs.prerelease.190513-1420
 * 10.0.18908.1000.rs_prerelease.190524-1658 - Released on 2019-05-29
 * 10.0.18912.1001.rs_prerelease.190601-1739 - Released on 2019-06-05
 * 10.0.18917.1000.rs_prerelease.190607-1942 - Released on 2019-06-12
 * 10.0.18922.1000.rs_prerelease.190614-1427 - Released on 2019-06-19
 * 10.0.18932.1000.rs_prerelease.190628-1650 - Released on 2019-07-03
 * 10.0.18936.1000.rs_prerelease.190705-1333 - Released on 2019-07-10
 * 10.0.18941.1001.rs_prerelease.190713-1700 - Released on 2019-07-18
 * 10.0.18945.1001.rs_prerelease.190720-1835 - Released on 2019-07-26
 * 10.0.18946.rs_xbox_dev.190723-1700 - Released on 2019-07-24
 * 10.0.18947.rs_xbox.190723-1357 - Released on 2019-07-24
 * 10.0.18947.1000.rs_prerelease.190723-1401 - Released on 2019-07-24
 * 10.0.18950.1000.rs_prerelease.190726-1645 - Released on 2019-07-31
 * 10.0.18950.1000.rs_onecore_ens.190726-1645
 * 10.0.18956.1000.rs_prerelease.190803-1414 - Released on 2019-08-07
 * 10.0.18962.rs_client_servicing.190813-1819
 * 10.0.18963.1000.rs_prerelease.190814-0021 - Released on 2019-08-16
 * 10.0.18965.1000.rs_prerelease.190816-1722 - Released on 2019-08-21
 * 10.0.18965.1005.rs_prerelease.190816-2000 - Released on 2019-08-22
 * 10.0.18967
 * 10.0.18970.1001.rs_prerelease.190824-1711 - Released on 2019-08-29
 * 10.0.18970.1005.rs_prerelease_fit.190825-1835 - Released on 2019-08-29
 * 10.0.18975.1000.rs_prerelease.190830-1502 - Released on 2019-09-06

Insider Preview (Vibranium branch)

 * 10.0.18980.1.vb_release.190907-1301 - Released on 2019-09-12
 * 10.0.18985.1.vb_release.190913-1426 - Released on 2019-09-19
 * 10.0.18990.1.vb_release.190921-1704 - Released on 2019-09-24
 * 10.0.18994
 * 10.0.18995.1.vb_release.190927-1420 - Released on 2019-10-03
 * 10.0.18999.1.vb_release.191004-1432 - Released on 2019-10-08
 * 10.0.19902.1.vb_release.191010-1436 - Released on 2019-10-17
 * 10.0.19902.1002.vb_release_svc.191016-1726 - Released on 2019-10-18
 * 10.0.19008.1.vb_release.191019-1715 - Released on 2019-10-22
 * 10.0.19008.1000.vb_release_svc.191016-1726 - Released on 2019-10-24
 * 10.0.19013.1.vb_release.191025-1609 - Released on 2019-10-29
 * 10.0.19013.1000.vb_release_svc.191025-1802 - Released on 2019-11-01
 * 10.0.19013.1102.vb_release_svc_prod2.191029-1625 - Released on 2019-11-04
 * 10.0.19013.1122.vb_release_svc_prod1.191101-1324 - Released on 2019-11-11
 * 10.0.19016.0
 * 10.0.19018.1.vb_release.191101-1402 - Released on 2019-11-05
 * 10.0.19023.1.vb_release.191108-1432 - Released on 2019-11-12
 * 10.0.19025.1.vb_release.101112-1414 - Released on 2019-11-15
 * 10.0.19025.1051.vb_release_svc.191114-2124 - Released on 2019-11-20
 * 10.0.19025.1052.vb_release_svc_prod1.191118-1441 - Released on 2019-11-22
 * 10.0.19028.1.vb_release.191115-1325 - Released on 2019-11-19
 * 10.0.19030.1.vb_release.191119-1609 - Released on 2019-11-22
 * 10.0.19033.1.vb_release.191123-1729 - Released on 2019-11-26
 * 10.0.19035.1.vb_release.191126-1316 - Released on 2019-12-04
 * 10.0.19035.1000.vb_release_svc.191126-1425 - Released on 2019-12-04
 * 10.0.19037.1.vb_release.191202-1231 - Released on 2019-12-06
 * 10.0.19041.1.vb_release.191206-1406 - Released on 2019-12-10
 * 10.0.19041.21.vb_release_svc_prod1.200102-1725 - Released on 2020-01-04
 * 10.0.19041.84.vb_release_svc_prod1.200206-1903 - Released on 2020-02-11
 * 10.0.19041.113.vb_release_svc_prod3.200224-1720 - Released on 2020-02-27
 * 10.0.19041.153.vb_release_svc_im.200310-2112 - Released on 2020-03-13
 * 10.0.19041.172.vb_release_svc_prod3.200318-1736 - Released on 2020-03-26
 * 10.0.19041.173.vb_release_svc_prod1.200403-1650 - Released on 2020-04-09
 * 10.0.19041.207.vb_release_svc_prod1.200408-1800 - Released on 2020-04-14

RTM

 * 10.0.19041.208.vb_release_svc_im.200416-2050 - Released on 2020-04-22 (Slow ring), 2020-04-30 (Release Preview), 2020-05-27 (RTM)
 * 10.0.19041.264.vb_release_svc_prod1.200508-2205 - Released on 2020-05-12 (Slow & Release Preview)

Updates for RTM

 * 10.0.19041.329 (KB4557957) - Released on 2020-06-09
 * 10.0.19041.331 (KB4567523) - Released on 2020-06-18
 * 10.0.19041.388 (KB4565503) - Released on 2020-07-14
 * 10.0.19041.423 (KB4568831) - Released on 2020-07-31
 * 10.0.19041.450 (KB4566782) - Released on 2020-08-11
 * 10.0.19041.488 (KB4571744) - Released on 2020-09-03
 * 10.0.19041.508 (KB4571756) - Released on 2020-09-08
 * 10.0.19041.546 (KB4577063) - Released on 2020-10-01
 * 10.0.19041.572 (KB4579311) - Released on 2020-10-13
 * 10.0.19041.610 (KB4580364) - Released on 2020-10-29