Windows 10, version 1903

Windows 10 May 2019 Update^[1] (also known as version 1903^[2] and codenamed "19H1"^[3]) is the seventh major update to Windows 10 and the first to use a more descriptive codename (including the year and the order released) instead of the "Redstone"^[4] or "Threshold" codename. It carries the build number 10.0.18362.

Windows 10, version 1903
Predecessor Windows 10, version 1809 Successor Windows 10, version 1909

Version history

The first preview was released to Insiders who opted in to the exclusive Skip Ahead ring on July 25, 2018. The update began rolling out on May 21, 2019.^[5] Notable changes in the May 2019 Update include:^[6][7]

• A new "light theme"
• Separation of Search and Cortana in the taskbar
• Windows Sandbox (not available in Windows 10 Home)
• Ability to pause updates for 35 days or under (incl. Windows 10 Home)
• New default wallpaper
• Recommended troubleshooting
• Notifications hidden while in full-screen
• DirectML

The update has reached the end of service on December 8, 2020.^[8]

Preview builds of Windows 10, version 1903
Version	Release date(s)	Highlights
10.0.18204 [3]	Skip ahead: July 25, 2018	New Mixed Reality Flashlight feature Added Emoji 11 support Added leap second support and accuracy improvements (Precision Time Protocol, software time-stamping) for network time Improvements to Microsoft Edge, Kiosk Setup, update experience and Game bar
10.0.18214 [9]	Skip ahead: August 10, 2018	New Your Phone app Improvements related to HTTP/2 and CUBIC support
10.0.18219 [10]	Skip ahead: August 16, 2018	Improvements to Narrator
10.0.18234 [11]	Skip ahead: September 6, 2018	Added ink support for Microsoft To-Do Updated Sticky Notes to version 3.0 New delay snip feature for Snip & Sketch (previously Screen Sketch) Finalized dark theme for File Explorer Updated emoji panel to support for search and tooltips for Emoji 11 Your Phone app is now pinned to the desktop for quicker access Increased image size for clipboard history of up to 4MB Removed XAML shadows and performance visualizations in Game Bar for maintenance
10.0.18237 [12]	Skip ahead: September 12, 2018	Added acrylic element to Windows sign-in screen background Rebranded Microsoft Apps on Android as Your Phone Companion app New Group Policy for preventing the use of security questions on local accounts
10.0.18242 [13]	Skip ahead: September 18, 2018
10.0.18247 [14]	Skip ahead: September 26, 2018
10.0.18252 [15]	Fast ring: October 3, 2018	Added advanced Ethernet IP settings in Settings app New icon for disconnected internet New Windows Ebrima font with Adlam, N'Ko, Osmanya, Tifinagh and Vai writing system support New microphone icon in the system tray which appears when microphone is in use Improvements to Registry Editor for expanding the autocomplete dropdown by pressing F4 to move the caret to the end of the address bar Added ability to show the corresponding Ethernet adapter name in the sidebar Introduced extra pages in the Emoji Panel in more languages
10.0.18262 [16]	Fast ring: October 17, 2018	New DPI Awareness column in Task Manager Added ability to uninstall pre-installed Windows 10 inbox apps Improvements to Troubleshooting and Narrator
10.0.18267 [17]	Fast ring: October 24, 2018	Improvements to Input and Accessibility New enhanced mode for search indexing
10.0.18272 [18]	Fast ring: October 31, 2018	Improvements to Input and Accessibility Redesigned sign-in options for Windows Hello in Settings app Performance improvements to Spectre mitigations[19]
10.0.18277 [20]	Fast ring: November 7, 2018	New options in Settings app Focus assist option "Fix scaling" option for high DPI desktop applications (enabled by default) Improvements to Action Center Added Emoji 12 support New Application Guard for Microsoft Edge setting for managing access to the camera and microphone in Windows Security Redesigned Japanese IME
10.0.18282 [21]	Fast ring: November 14, 2018	New light theme and default wallpaper New window snip mode for Snip & Sketch Improvements to modern printing experience and Narrator Updated Windows Update Optimized display brightness behavior when transitioning from a battery charger to battery power Added dark theme to OneDrive flyout
10.0.18290 [22]	Fast ring: November 28, 2018	Fluent Design System elements in power and user menus in Start menu and taskbar jump lists New manual clock synchronization option in Settings app New microphone icon in taskbar with new reminding mechanism Improvements to Search and Cortana experiences New Windows Update notifications Added LEDBAT support in uploads to Delivery Optimization peers on the same LAN Reverted the redesigned Japanese IME to the retail version for maintenance
10.0.18298 [23]	Fast ring: December 10, 2018	New security key setup in sign-in options in Settings app Improvements to File Explorer New File Explorer icon Updated the default sorting for Downloads folder Improvements to Windows Notepad Added support for UTF-8 encoding without a BOM New modified indicator New Send Feedback option Added support of additional shortcuts Added support for opening or saving files with a path that is longer than 260 characters New Terminal tab in properties page of any Console window[24] Improvements to Start menu, touch keyboard, Narrator, Ease of Access and Windows 10 Setup experience New Windows Update indicator on Power button in Start menu
10.0.18305 [25]	Fast ring: December 19, 2018	Simplified default Start layout New Windows Sandbox feature Improvements to Windows Security Revamped protection history experience New tamper protection feature Added symbols and kaomoji support in emoji panel Updated clipboard history UI Added support for setting up and signing in to Windows without passwords through Microsoft phone number accounts Streamlined Windows Hello PIN reset experience Finalized recommended troubleshooting feature in Settings app New Automatic Restart and Sign On (ARSO) feature for certain Cloud Domain Joined devices Added support for setting default tab in Task Manager Updated Settings homepage New friendly dates format in File Explorer Re-introduced Fluent Design shadow elements and redesigned Japanese IME New Microsoft Office app Integrated to-do lists across Cortana, Microsoft To-Do and Microsoft Outlook
10.0.18309 [26]	Fast ring: January 3, 2019	Improvements to Narrator and Ease of Access
10.0.18312 [27]	Fast ring: January 9, 2019	New Windows reserved storage mechanism Raised slot allocation limit of per-process fiber-local storage Updated Reset This PC UI Improvements to Windows Subsystem for Linux Command Line Tool
10.0.18317 [28]	Fast ring: January 16, 2019	Decoupled Cortana and search in the taskbar Reliability improvements to Start New drag and drop installation method for font files in Settings app Simplified Windows Insider Program settings Improvements to Windows Console
10.0.18323 [29]	Fast ring: January 24, 2019	Improved raw image format support Improvements to light theme Reverted the redesigned Japanese IME to the retail version for maintenance
10.0.18329 [30]	Fast ring: February 1, 2019	New top apps feature in Search Added Win32 apps support in Windows Mixed Reality Added support for Adlam and Osage keyboard
10.0.18334 [31]	Fast ring: February 8, 2019	Improvements to Narrator
10.0.18342 [32]	Fast ring: February 20, 2019 Slow ring: February 27, 2019	Improvements related to gaming experience Added support for directly accessing Linux subsystem files in a Windows Subsystem for Linux distro through File Explorer[33] Improvements to WSL command line interface (wsl.exe) capability[33] Improvements to Windows Sandbox[34]
10.0.18343 [35]	Fast ring: February 22, 2019
10.0.18346 [36]	Fast ring: February 26, 2019
10.0.18348 [37]	Fast ring: March 1, 2019	Added full support for Emoji 12
10.0.18351 [38]	Fast ring: March 5, 2019 Slow ring: March 11, 2019
10.0.18353 [39]	Fast ring: March 8, 2019
10.0.18356 [40]	Fast ring: March 12, 2019 Slow ring: March 15, 2019
10.0.18358 [41]	Fast ring: March 15, 2019
10.0.18361 [42]	Fast ring: March 19, 2019	Improvements to Game Mode
10.0.18362 [43]	Fast ring: March 20, 2019 Slow ring: March 22, 2019
10.0.18362.30 [43][44]	Fast and slow ring: April 4, 2019 Release preview: April 8, 2019
10.0.18362.53 [43][45]	Fast ring, slow ring and release preview: April 9, 2019
10.0.18362.86 [43][46]	Fast ring: April 26, 2019 Slow ring and release preview: May 1, 2019
10.0.18362.113 [43][47]	Slow ring and release preview: May 14, 2019
Version	Release date(s)	Highlights

Public patches of Windows 10, version 1903
Version	Knowledge base	Release date(s)	Highlights
10.0.18362.116 Version 1903 [43][48]	KB4505057	Slow ring and release preview: May 19, 2019 Public release: May 21, 2019
10.0.18362.145 [43][49]	KB4497935	Slow ring and release preview: May 24, 2019 Public release: May 29, 2019
10.0.18362.175 [50]	KB4503293	Slow ring, release preview and public release: June 11, 2019
10.0.18362.207 [51][52]	KB4501375	Release preview: June 25, 2019 Public release: June 27, 2019
10.0.18362.239 [53]	KB4507453	Release preview and public release: July 9, 2019
10.0.18362.263 [54]	KB4505903	Release preview: July 17, 2019
10.0.18362.264 [55]		Release preview: July 19, 2019
10.0.18362.266 [56]		Release preview: July 24, 2019
10.0.18362.267 [57][58]		Release preview: July 25, 2019 Public release: July 26, 2019
10.0.18362.295 [59]	KB4512508	Release preview and public release: August 13, 2019
10.0.18362.325 [60]	KB4515530	Release preview: August 22, 2019
10.0.18362.327 [61]	KB4512941	Release preview: August 26, 2019
10.0.18362.329 [62][63]		Release preview: August 29, 2019 Public release: August 30, 2019
10.0.18362.356 [64]	KB4515384	Release preview and public release: September 10, 2019
10.0.18362.357 [65]	KB4522016	Release preview and public release: September 23, 2019
10.0.18362.385 [62]	KB4517211	Release preview: September 23, 2019
10.0.18362.387 [62][66]		Release preview: September 25, 2019 Public release: September 26, 2019
10.0.18362.388 [62][67]	KB4524147	Release preview and public release: October 3, 2019
10.0.18362.418 [62][68]	KB4517389	Release preview and public release: October 8, 2019
10.0.18362.446 [69]	KB4522355	Release preview: October 17, 2019
10.0.18362.448 [70]		Release preview: October 18, 2019
10.0.18362.449 [71][72]		Release preview: October 23, 2019 Public release: October 24, 2019
10.0.18362.476 [73]	KB4524570	Release preview and public release: November 12, 2019	This update is no longer available from Windows Update, Microsoft Update Catalog or other release channels since August 5, 2021.
10.0.18362.535 [74]	KB4530684	Release preview and public release: December 10, 2019	This update is no longer available from Windows Update, Microsoft Update Catalog or other release channels since August 5, 2021.
10.0.18362.592 [75]	KB4528760	Release preview and public release: January 14, 2020	This update is no longer available from Windows Update, Microsoft Update Catalog or other release channels since August 5, 2021.
10.0.18362.628 [76]	KB4532695	Release preview and public release: January 28, 2020
10.0.18362.657 [77]	KB4532693	Release preview and public release: February 11, 2020	This update is no longer available from Windows Update, Microsoft Update Catalog or other release channels since August 5, 2021.
10.0.18362.693 [78]	KB4535996	Release preview: February 26, 2020 Public release: February 27, 2020
10.0.18362.719 [79]	KB4540673	Release preview and public release: March 10, 2020	This update is no longer available from Windows Update, Microsoft Update Catalog or other release channels since August 5, 2021.
10.0.18362.720 [80]	KB4551762	Release preview and public release: March 12, 2020	This update is no longer available from Windows Update, Microsoft Update Catalog or other release channels since August 5, 2021.
10.0.18362.752 [81][82]	KB4541335	Release preview: March 21, 2020 Public release: March 24, 2020
10.0.18362.753 [83]	KB4554364	Release preview and public release: March 30, 2020
10.0.18362.778 [84]	KB4549951	Release preview and public release: April 14, 2020	This update is no longer available from Windows Update, Microsoft Update Catalog or other release channels since August 5, 2021.
10.0.18362.815 [85]	KB4550945	Public release: April 21, 2020
10.0.18362.836 [86]	KB4556799	Public release: May 12, 2020	This update is no longer available from Windows Update, Microsoft Update Catalog or other release channels since August 5, 2021.
10.0.18362.900 [87]	KB4560960	Public release: June 9, 2020	This update is no longer available from Windows Update, Microsoft Update Catalog or other release channels since August 5, 2021.
10.0.18362.904 [88]	KB4567512	Public release: June 16, 2020
10.0.18362.959 [89]	KB4565483	Public release: July 14, 2020	This update is no longer available from Windows Update, Microsoft Update Catalog or other release channels since August 5, 2021.
10.0.18362.997 [90]	KB4559004	Public release: July 21, 2020
10.0.18362.1016 [91]	KB4565351	Public release: August 11, 2020	This update is no longer available from Windows Update, Microsoft Update Catalog or other release channels since August 5, 2021.
10.0.18362.1049 [92]	KB4566116	Public release: August 20, 2020
10.0.18362.1082 [93]	KB4574727	Public release: September 8, 2020	This update is no longer available from Windows Update, Microsoft Update Catalog or other release channels since August 5, 2021.
10.0.18362.1110 [94]	KB4577062	Public release: September 16, 2020
10.0.18362.1139 [95]	KB4577671	Public release: October 13, 2020	This update is no longer available from Windows Update, Microsoft Update Catalog or other release channels since August 5, 2021.
10.0.18362.1171 [96]	KB4580386	Public release: October 20, 2020
10.0.18362.1198 [97]	KB4586786	Public release: November 10, 2020	This update is no longer available from Windows Update, Microsoft Update Catalog or other release channels since August 5, 2021.
10.0.18362.1199 [98]	KB4594443	Public release: November 19, 2020
10.0.18362.1237 [99]	KB4586819
10.0.18362.1256 [100]	KB4592449	Public release: December 8, 2020	This update is no longer available from Windows Update, Microsoft Update Catalog or other release channels since August 5, 2021.
Version	Knowledge base	Release date(s)	Highlights

See also

• Windows 10 version history

References

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73. "November 12, 2019—KB4524570 (OS Build 18362.476 and 18363.476)". Microsoft Support. Microsoft. Retrieved November 12, 2019.
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89. "July 14, 2020—KB4565483 (OS Builds 18362.959 and 18363.959)". Microsoft Support. Microsoft. Retrieved July 15, 2020.
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91. "August 11, 2020—KB4565351 (OS Builds 18362.1016 and 18363.1016)". Microsoft Support. Microsoft. Retrieved August 12, 2020.
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