Windows 10, version 2004

Windows 10 May 2020 Update^[1] (also known as version 2004^[2] and codenamed "20H1") is the ninth major update to Windows 10. It carries the build number 10.0.19041.

Version history

The first preview was released to Insiders who opted in to the exclusive Skip Ahead ring on February 14, 2019.^[3] The update began rolling out on May 27, 2020.^[4] Notable changes in the May 2020 Update include:^[5]

• Faster and easier access to Bluetooth settings and pairing
• Improved Kaomojis
• Virtual Desktops are now renamable
• DirectX 12 Ultimate
• Introducing a chat-based UI for Cortana
• Greater integration with Android smartphones on the Your Phone app
• Windows Subsystem for Linux 2 (WSL 2)
• Ability to use Windows Hello without the need for a password
• Ability to use Windows Hello PIN while in safe mode
• Cloud download option to reset Windows
• Accessibility improvements
• Support Storage Firmware Update that allow updates SSD firmware through Windows Update^[6]
• Task Manager can display disk type (HDD or SSD) in the Performance tab

The update has reached end of service on December 14, 2021.^[7]

Preview builds of Windows 10, version 2004
Version	Release date(s)	Highlights
10.0.18836 [3]	Skip ahead: February 14, 2019	Added support for directly accessing Linux subsystem files in Windows Subsystem for Linux distro through File Explorer[8] Improvements to WSL command-line interface capability[8]
10.0.18841 [9]	Skip ahead: February 22, 2019	Improvements to Windows Sandbox[10]
10.0.18845 [11]	Skip ahead: February 28, 2019	Added full support for Emoji 12
10.0.18850 [12]	Skip ahead: March 6, 2019
10.0.18855 [13]	Skip ahead: March 13, 2019
10.0.18860 [14]	Skip ahead: March 20, 2019	Expanding Microsoft SwiftKey to more languages
10.0.18865 [15]	Skip ahead: March 27, 2019	Improvements to Narrator
10.0.18875 [16]	Fast ring: April 10, 2019	Re-introduced new Japanese IME Redesigned Simplified and Traditional Chinese IMEs
10.0.18885 [17]	Fast ring: April 26, 2019	Expanding dictation support to more languages Improvements to Your Phone app, Windows Feedback Hub and Narrator
10.0.18890 [18]	Fast ring: May 1, 2019	Removed friendly dates format in File Explorer for maintenance
10.0.18894 [19]	Fast ring: May 8, 2019	Improvements to File Explorer, accessibility and Narrator
10.0.18895 [20]	Fast ring: May 10, 2019
10.0.18898 [21]	Fast ring: May 15, 2019	New disk type view in Task Manager
10.0.18908 [22]	Fast ring: May 29, 2019
10.0.18912 [23]	Fast ring: June 5, 2019	Improvements to Narrator and Windows Ink Workspace
10.0.18917 [24]	Fast ring: June 12, 2019	New download throttling options for Delivery Optimization in Settings app Introduced Windows Subsystem for Linux 2 (WSL 2) Improvements to Narrator and Windows Ink Workspace
10.0.18922 [25]	Fast ring: June 19, 2019	Improvements to language settings
10.0.18932 [26]	Fast ring: July 3, 2019	Improvements to Eye Control and accessibility Updated notification settings
10.0.18936 [27]	Fast ring: July 10, 2019	Added support for creating events or reminders directly from clock and calendar flyout in taskbar Added support for signing in to Windows without password for Microsoft accounts
10.0.18941 [28]	Fast ring: July 18, 2019	Updated Korean IME
10.0.18945 [29]	Fast ring: July 26, 2019	New features and improvements for Cortana New Cortana UI New screen for "Hey Cortana" queries New speech and language models as well as performance improvements Improvements to Windows Subsystem for Linux and accessibility Renamed Windows Defender to Microsoft Defender Antivirus
10.0.18950 [30]	Fast ring: July 31, 2019	Improvements to Japanese IME and Snip & Sketch
10.0.18956 [31]	Fast ring: August 7, 2019	Redesigned Network Status page in Settings app Improvements to Traditional Chinese IME Updated Calculator app
10.0.18963 [32]	Fast ring: August 16, 2019	Added GPU temperature monitoring support in Task Manager Added support for renaming virtual desktops in Task View Improvements to Settings app Updated Optional Features page New mouse cursor speed setting in Mouse page Notepad updates is now available via Microsoft Store Improvements to Traditional Chinese IME Improved sync speed for applying account picture across Windows, apps and Microsoft sites Improvements to Windows Search
10.0.18965 [33]	Fast ring: August 21, 2019	New restart apps setting in sign-in options in Settings app Improvements to Feedback Hub
10.0.18965.1005 [33]	Fast ring: August 22, 2019
10.0.18970 [34]	Fast ring: August 29, 2019	Improvements to UI for tablet experience Improvements to Recovery
10.0.18970.1005 [34]	Fast ring: August 30, 2019
10.0.18975 [35]	Fast ring: September 6, 2019	Improvements to Cortana and Windows Subsystem for Linux
10.0.18980 [36]	Fast ring: September 11, 2019	Improvements to Cortana and Windows Subsystem for Linux Improvements to Optional Features settings in Settings app
10.0.18985 [37]	Fast ring: September 19, 2019	Improvements to Bluetooth pairing experience Improvements to optional updates experience in Settings app
10.0.18990 [38]	Fast ring: September 24, 2019	New option for automatically restarting UWP apps from previous sign-in session in Settings app Improvements to Windows Subsystem for Linux
10.0.18995 [39]	Fast ring: October 3, 2019	Added support for signing into Windows using Windows Hello PIN while in safe mode Improvements to Windows Subsystem for Linux
10.0.18999 [40]	Fast ring: October 8, 2019
10.0.19002 [41]	Fast ring: October 17, 2019	Improvements to Windows Subsystem for Linux[42]
10.0.19002.1002 [41]	Fast ring: October 18, 2019
10.0.19008 [43]	Fast ring: October 22, 2019
10.0.19008.1000 [43]	Fast ring: October 24, 2019
10.0.19013 [44]	Fast ring: October 29, 2019	Added a number of kaomoji in emoji panel Improvements to Windows Subsystem for Linux[42]
10.0.19013.1000 [44]	Fast ring: November 1, 2019
10.0.19013.1102 [44]	Fast ring: November 4, 2019
10.0.19018 [45]	Fast ring: November 5, 2019	Removed option to join Skip Ahead in the Settings app Improvements to Windows Subsystem for Linux[42]
10.0.19013.1122 [44][46]	Slow ring: November 11, 2019
10.0.19023 [47]	Fast ring: November 12, 2019
10.0.19025 [48]	Fast ring: November 15, 2019
10.0.19028 [49]	Fast ring: November 19, 2019	Improvements to Windows Subsystem for Linux[42]
10.0.19025.1051 [48][50]	Slow ring: November 20, 2019
10.0.19030 [51]	Fast ring: November 22, 2019
10.0.19025.1052 [48][50]	Slow ring: November 22, 2019
10.0.19033 [2]	Fast and slow ring: November 26, 2019
10.0.19035 [52]	Fast and slow ring: December 4, 2019
10.0.19035.1000 [52]
10.0.19037 [53]	Fast and slow ring: December 6, 2019
10.0.19041 [54]	Fast and slow ring: December 10, 2019
10.0.19041.21 [55]	Slow ring: January 14, 2020
10.0.19041.84 [56]	Slow ring: February 11, 2020
10.0.19041.113 [57]	Slow ring: February 27, 2020
10.0.19041.153 [58]	Slow ring: March 13, 2020
10.0.19041.172 [59]	Slow ring: March 26, 2020
10.0.19041.173 [60]	Slow ring: April 9, 2020
10.0.19041.207 [61][1]	Slow ring: April 14, 2020 Release preview: April 16, 2020
10.0.19041.208 [62][63]	Slow ring: April 22, 2020 Release preview: April 30, 2020
Version	Release date(s)	Highlights

Public patches of Windows 10, version 2004
Version	Knowledge base	Release date(s)	Highlights
10.0.19041.264 Version 2004 [64][4][65]	KB4556803	Slow ring and release preview: May 12, 2020 Public release: May 27, 2020
10.0.19041.329 [66]	KB4557957	Slow ring, release preview and public release: June 9, 2020
10.0.19041.330 [67]	KB4566866	Beta Channel: June 16, 2020
10.0.19041.331 [68]	KB4567523	Release Preview Channel and public release: June 18, 2020
10.0.19041.388 [69]	KB4565503	Release Preview Channel and public release: July 14, 2020
10.0.19041.423 [70]	KB4568831	Release Preview Channel: July 31, 2020
10.0.19041.450 [71]	KB4566782	Release Preview Channel and public release: August 11, 2020
10.0.19041.487 [72]	KB4571744	Release Preview Channel: August 26, 2020
10.0.19041.488 [72][73]		Public release: September 3, 2020
10.0.19041.508 [74]	KB4571756	Public release: September 8, 2020
10.0.19041.541 [75]	KB4577063	Release Preview Channel: September 22, 2020
10.0.19041.546 [76][77]		Release Preview Channel: September 30, 2020 Public release: October 1, 2020
10.0.19041.572 [78]	KB4579311	Public release: October 13, 2020
10.0.19041.608 [79]	KB4580364	Release Preview Channel: October 22, 2020
10.0.19041.610 [80]		Public release: October 29, 2020
10.0.19041.630 [81]	KB4586781	Public release: November 10, 2020
10.0.19041.631 [82]	KB4594440	Public release: November 19, 2020
10.0.19041.662 [83][84]	KB4586853	Release Preview Channel: November 24, 2020 Public release: November 30, 2020
10.0.19041.685 [85]	KB4592438	Public release: December 8, 2020
10.0.19041.746 [86]	KB4598242	Public release: January 12, 2021	This update is no longer available from Microsoft Update Catalog or other release channels since September 12, 2023, although it continues to be available from Windows Update.
10.0.19041.782 [87]	KB4598291	Release Preview Channel: January 21, 2021
10.0.19041.789 [88]		Public release: February 2, 2021
10.0.19041.804 [89]	KB4601319	Public release: February 9, 2021	This update is no longer available from Microsoft Update Catalog or other release channels since September 12, 2023, although it continues to be available from Windows Update.
10.0.19041.844 [90]	KB4601382	Public release: February 24, 2021
10.0.19041.867 [91]	KB5000802	Public release: March 9, 2021	This update is no longer available from Microsoft Update Catalog or other release channels since September 12, 2023, although it continues to be available from Windows Update.
10.0.19041.868 [92]	KB5001567	Public release: March 15, 2021
10.0.19041.870 [93]	KB5001649	Public release: March 18, 2021
10.0.19041.906 [94]	KB5000842	Public release: March 29, 2021
10.0.19041.928 [95]	KB5001330	Public release: April 13, 2021	This update is no longer available from Microsoft Update Catalog or other release channels since September 12, 2023, although it continues to be available from Windows Update.
10.0.19041.962 [96]	KB5001391	Release Preview Channel: April 19, 2021
10.0.19041.964 [97]		Public release: April 28, 2021	This update is no longer available from Microsoft Update Catalog or other release channels since September 12, 2023, although it continues to be available from Windows Update.
10.0.19041.985 [98]	KB5003173	Public release: May 11, 2021	This update is no longer available from Microsoft Update Catalog or other release channels since September 12, 2023, although it continues to be available from Windows Update.
10.0.19041.1023 [99][100]	KB5003214	Release Preview Channel: May 21, 2021 Public release: May 25, 2021
10.0.19041.1052 [101]	KB5003637	Public release: June 8, 2021
10.0.19041.1055 [102]	KB5004476	Public release: June 11, 2021
10.0.19041.1081 [103][104]	KB5003690	Release Preview Channel: June 17, 2021 Public release: June 21, 2021	This update is no longer available from Windows Update, Microsoft Update Catalog or other release channels since July 21, 2021.
10.0.19041.1082 [105]	KB5004760	Public release: June 29, 2021
10.0.19041.1083 [106]	KB5004945	Public release: July 6, 2021	This update is no longer available from Microsoft Update Catalog or other release channels since September 12, 2023, although it continues to be available from Windows Update.
10.0.19041.1110 [107]	KB5004237	Public release: July 13, 2021	This update is no longer available from Microsoft Update Catalog or other release channels since September 12, 2023, although it continues to be available from Windows Update.
10.0.19041.1151 [108]	KB5004296	Public release: July 29, 2021
10.0.19041.1165 [109]	KB5005033	Public release: August 10, 2021	This update is no longer available from Microsoft Update Catalog or other release channels since September 12, 2023, although it continues to be available from Windows Update.
10.0.19041.1202 [110]	KB5005101	Public release: September 1, 2021
10.0.19041.1237 [111]	KB5005565	Public release: September 14, 2021	This update is no longer available from Microsoft Update Catalog or other release channels since September 12, 2023, although it continues to be available from Windows Update.
10.0.19041.1266 [112]	KB5005611	Public release: September 30, 2021
10.0.19041.1288 [113]	KB5006670	Public release: October 12, 2021	This update is no longer available from Microsoft Update Catalog or other release channels since September 12, 2023, although it continues to be available from Windows Update.
10.0.19041.1320 [114]	KB5006738	Public release: October 26, 2021
10.0.19041.1348 [115]	KB5007186	Public release: November 9, 2021	This update is no longer available from Microsoft Update Catalog or other release channels since September 12, 2023, although it continues to be available from Windows Update.
10.0.19041.1387 [116]	KB5007253	Public release: November 22, 2021
10.0.19041.1415 [117]	KB5008212	Public release: December 14, 2021	This update is no longer available from Microsoft Update Catalog or other release channels since September 12, 2023, although it continues to be available from Windows Update.
Version	Knowledge base	Release date(s)	Highlights

See also

• Windows 10 version history

References

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94. "March 29, 2021—KB5000842 (OS Builds 19041.906 and 19042.906) Preview". Microsoft Support. Microsoft. Retrieved March 31, 2021.
95. "April 13, 2021—KB5001330 (OS Builds 19041.928 and 19042.928)". Microsoft Support. Microsoft. Retrieved April 14, 2021.
96. moinmoin (April 20, 2021). "KB5001391 [Manueller Download] Windows 10 2004, 20H2 und 21H1 1904x.962". Deskmodder.de (in German). Retrieved April 29, 2021.
97. "April 28, 2021—KB5001391 (OS Builds 19041.964 and 19042.964) Preview". Microsoft Support. Microsoft. Retrieved April 29, 2021.
98. "May 11, 2021—KB5003173 (OS Builds 19041.985 and 19042.985)". Microsoft Support. Microsoft. Retrieved May 12, 2021.
99. moinmoin (May 22, 2021). "KB5003214 [Manueller Download] Windows 10 21H1, 20H2 und 2004 1904x.1023 als nicht-sicherheitsrelevantes Update". Deskmodder.de (in German). Retrieved May 22, 2021.
100. "May 25, 2021—KB5003214 (OS Builds 19041.1023, 19042.1023, and 19043.1023) Preview". Microsoft Support. Microsoft. Retrieved June 9, 2021.
101. "June 8, 2021—KB5003637 (OS Builds 19041.1052, 19042.1052, and 19043.1052)". Microsoft Support. Microsoft. Retrieved June 9, 2021.
102. "June 11, 2021—KB5004476 (OS Builds 19041.1055, 19042.1055, and 19043.1055) Out-of-band". Microsoft Support. Microsoft. Retrieved June 16, 2021.
103. moinmoin (June 18, 2021). "KB5003690 [Manueller Download] Nicht-Sicherheitsrelevantes Update für Windows 10 21H1, 20H2 und 2004 1904x.1081". Deskmodder.de (in German). Retrieved June 18, 2021.
104. "June 21, 2021—KB5003690 (OS Builds 19041.1081, 19042.1081, and 19043.1081) Preview - EXPIRED". Microsoft Support. Microsoft. Archived from the original on June 21, 2021. Retrieved June 23, 2021.
105. "June 29, 2021—KB5004760 (OS Builds 19041.1082, 19042.1082, and 19043.1082) Out-of-band". Microsoft Support. Microsoft. Retrieved June 30, 2021.
106. "July 6, 2021—KB5004945 (OS Builds 19041.1083, 19042.1083, and 19043.1083) Out-of-band". Microsoft Support. Microsoft. Retrieved July 8, 2021.
107. "July 13, 2021—KB5004237 (OS Builds 19041.1110, 19042.1110, and 19043.1110)". Microsoft Support. Microsoft. Retrieved July 14, 2021.
108. "July 29, 2021—KB5004296 (OS Builds 19041.1151, 19042.1151, and 19043.1151) Preview". Microsoft Support. Microsoft. Retrieved July 30, 2021.
109. "August 10, 2021—KB5005033 (OS Builds 19041.1165, 19042.1165, and 19043.1165)". Microsoft Support. Microsoft. Retrieved August 11, 2021.
110. "September 1, 2021—KB5005101 (OS Builds 19041.1202, 19042.1202, and 19043.1202) Preview". Microsoft Support. Microsoft. Retrieved September 2, 2021.
111. "September 14, 2021—KB5005565 (OS Builds 19041.1237, 19042.1237, and 19043.1237)". Microsoft Support. Microsoft. Retrieved September 16, 2021.
112. "September 30, 2021—KB5005611 (OS Builds 19041.1266, 19042.1266, and 19043.1266) Preview". Microsoft Support. Microsoft. Retrieved October 2, 2021.
113. "October 12, 2021—KB5006670 (OS Builds 19041.1288, 19042.1288, and 19043.1288)". Microsoft Support. Microsoft. Retrieved October 13, 2021.
114. "October 26, 2021—KB5006738 (OS Builds 19041.1320, 19042.1320, and 19043.1320) Preview". Microsoft Support. Microsoft. Retrieved October 28, 2021.
115. "November 9, 2021—KB5007186 (OS Builds 19041.1348, 19042.1348, and 19043.1348)". Microsoft Support. Microsoft. Retrieved November 10, 2021.
116. "November 22, 2021—KB5007253 (OS Builds 19041.1387, 19042.1387, 19043.1387, and 19044.1387) Preview". Microsoft Support. Microsoft. Retrieved November 23, 2021.
117. "December 14, 2021—KB5008212 (OS Builds 19041.1415, 19042.1415, 19043.1415, and 19044.1415)". Microsoft Support. Microsoft. Retrieved December 15, 2021.