# Windows 10, version 1803

Windows 10 April 2018 Update (also known as version 1803 and codenamed "Redstone 4") is the fifth major update to Windows 10 and the fourth in a series of updates under the Redstone codenames. It carries the build number 10.0.17134.

## Version history

The first preview was released to Insiders on August 31, 2017. The final release was made available to Windows Insiders on April 16, 2018, followed by a public release on April 30, and began to roll out on May 8.
The update has reached end of service on November 12, 2019 for Home, Pro, Pro for Workstations and IoT Core editions. The Enterprise, IoT Enterprise and Education editions would have originally reached end of service on November 10, 2020, but this was postponed to May 11, 2021 due to the "global health crisis", in reference to the COVID-19 pandemic.
Preview builds of Windows 10, version 1803 :
| Version | Release date(s) | Highlights |
| 10.0.16353 | Skip ahead: August 31, 2017 | Introduces two-finger swipe gesture to dismiss all Action Center notifications |
| 10.0.16362 | Skip ahead: September 13, 2017 | Improvements to boot experience, Narrator, Windows shell, Microsoft Edge, gaming and input |
| 10.0.17004 | Skip ahead: September 27, 2017 | Fluent Design elements in Start menu Removal of IPv6 transition technologies (6in4, 6to4, Teredo, ISATAP, etc.) Improvements to Microsoft Edge and input |
| 10.0.17017 | Skip ahead and fast ring: October 13, 2017 | New Cortana Collections feature Improved experience between Cortana and Action Center New startup settings in Settings app |
| 10.0.17025 | Skip ahead and fast ring: October 25, 2017 Slow ring: November 1, 2017 | New Ease of Access settings Updated options for startup tasks Updated Microsoft YaHei Font |
| 10.0.17035 | Skip ahead and fast ring: November 8, 2017 | New Near Share feature Text suggestions for hardware keyboard Improvements to Microsoft Edge, Settings app, touch keyboard, handwriting panel and Japanese input method editor (IME) |
| 10.0.17040 | Skip ahead and fast ring: November 16, 2017 | Improvements to Settings app, touch keyboard and handwriting panel |
| 10.0.17046 | Skip ahead and fast ring: November 22, 2017 | Improvements to Microsoft Edge, Windows shell and input |
| 10.0.17063 | Skip ahead and fast ring: December 19, 2017 | New Timeline feature Improvements to Microsoft Edge, Cortana, Windows shell, My People, Settings app, Windows Defender, Windows Subsystem for Linux, camera privacy settings and input New developer tools New features for IT Pros in delivery optimization New Snipping Tool features Windows HomeGroup support removed |
| 10.0.17074 | Skip ahead and fast ring: January 11, 2018 | Redesigned Windows localization Improvements to Microsoft Edge, Windows shell, Settings app, input, XAML and Cortana Handwriting recognition updates |
| 10.0.17074.1002 | Skip ahead and fast ring: January 18, 2018 Slow ring: January 19, 2018 | |
| 10.0.17083 | Skip ahead and fast ring: January 24, 2018 | New font settings Improvements to diagnostic data, Timeline, Windows shell, Settings app, hypervisor platform, Ease of Access and apps permissions settings |
| 10.0.17093 | Skip ahead and fast ring: February 7, 2018 | Improvements to Game Bar, graphics, eye control, Windows Security, Bluetooth, Microsoft Edge, input, apps permissions settings, Windows Subsystem for Linux and Ease of Access |
| 10.0.17101 | Fast ring: February 14, 2018 | Improvements to input and apps permissions New features for Windows 10 Pro for Workstations New Ultimate Performance power scheme Improvements to out-of-box experience for applications |
| 10.0.17107 | Fast ring: February 23, 2018 | Improvements to Windows Update |
| 10.0.17110 | Fast ring: February 27, 2018 | Improvements for enterprise users |
| 10.0.17112 | Fast ring: March 2, 2018 | |
| 10.0.17115 | Fast ring: March 6, 2018 Slow ring: March 9, 2018 | New privacy settings layout during set up |
| 10.0.17120 | Fast ring: March 13, 2018 Slow ring: March 16, 2018 | Improvements to Windows Defender Application Guard |
| 10.0.17123 | Fast ring: March 16, 2018 | Added support for High Efficiency Image File Format (HEIF) |
| 10.0.17127 | Fast ring: March 20, 2018 Slow ring: March 23, 2018 | Improvements to Cortana |
| 10.0.17128 | Fast ring: March 23, 2018 | New Cortana Show Me app |
| 10.0.17133 | Fast ring: March 27, 2018 Slow ring: March 30, 2018 Release preview: April 5, 2018 | |
| 10.0.17133.73 | Fast ring, slow ring and release preview: April 10, 2018 | |
| Version | Release date(s) | Highlights |
Public patches of Windows 10, version 1803 :
| Version | Knowledge base | Release date(s) | Highlights |
| 10.0.17134.1 Version 1803 | | Fast ring: April 16, 2018 Slow ring and release preview: April 20, 2018 Public release: April 30, 2018 | |
| 10.0.17134.5 | KB4135051 | Fast ring, slow ring and release preview: April 27, 2018 | |
| 10.0.17134.48 | KB4103721 | Slow ring, release preview and public release: May 8, 2018 | |
| 10.0.17134.81 | KB4100403 | Slow ring, release preview and public release: May 23, 2018 | |
| 10.0.17134.83 | KB4338548 | Slow ring, release preview and public release: June 5, 2018 | |
| 10.0.17134.112 | KB4284835 | Slow ring, release preview and public release: June 12, 2018 | |
| 10.0.17134.137 | KB4284848 | Slow ring, release preview and public release: June 26, 2018 | |
| 10.0.17134.165 | KB4338819 | Release preview and public release: July 10, 2018 | |
| 10.0.17134.167 | KB4345421 | Release preview and public release: July 16, 2018 | |
| 10.0.17134.191 | KB4340917 | Release preview and public release: July 24, 2018 | |
| 10.0.17134.228 | KB4343909 | Release preview and public release: August 14, 2018 | |
| 10.0.17134.254 | KB4346783 | Release preview and public release: August 30, 2018 | |
| 10.0.17134.285 | KB4457128 | Release preview and public release: September 11, 2018 | |
| 10.0.17134.286 | KB4464218 | Release preview and public release: September 17, 2018 | |
| 10.0.17134.320 | KB4458469 | Release preview and public release: September 26, 2018 | |
| 10.0.17134.345 | KB4462919 | Public release: October 9, 2018 | |
| 10.0.17134.376 | KB4462933 | Public release: October 24, 2018 | |
| 10.0.17134.407 | KB4467702 | Public release: November 13, 2018 | |
| 10.0.17134.441 | KB4467682 | Public release: November 27, 2018 | |
| 10.0.17134.471 | KB4471324 | Public release: December 11, 2018 | |
| 10.0.17134.472 | KB4483234 | Public release: December 19, 2018 | |
| 10.0.17134.523 | KB4480966 | Public release: January 8, 2019 | |
| 10.0.17134.556 | KB4480976 | Public release: January 15, 2019 | |
| 10.0.17134.590 | KB4487017 | Public release: February 12, 2019 | |
| 10.0.17134.619 | KB4487029 | Public release: February 19, 2019 | |
| 10.0.17134.648 | KB4489868 | Public release: March 12, 2019 | |
| 10.0.17134.677 | KB4489894 | Public release: March 19, 2019 | |
| 10.0.17134.706 | KB4493464 | Public release: April 9, 2019 | |
| 10.0.17134.753 | KB4493437 | Public release: April 25, 2019 | |
| 10.0.17134.765 | KB4499167 | Public release: May 14, 2019 | |
| 10.0.17134.766 | KB4505064 | Public release: May 19, 2019 | |
| 10.0.17134.799 | KB4499183 | Public release: May 21, 2019 | |
| 10.0.17134.829 | KB4503286 | Public release: June 11, 2019 | |
| 10.0.17134.858 | KB4503288 | Public release: June 18, 2019 | |
| 10.0.17134.860 | KB4509478 | Public release: June 26, 2019 | |
| 10.0.17134.885 | KB4507435 | Public release: July 9, 2019 | |
| 10.0.17134.915 | KB4507466 | Public release: July 16, 2019 | |
| 10.0.17134.950 | KB4512501 | Public release: August 13, 2019 | |
| 10.0.17134.984 | KB4512509 | Public release: August 19, 2019 | |
| 10.0.17134.1006 | KB4516058 | Public release: September 10, 2019 | |
| 10.0.17134.1009 | KB4522014 | Public release: September 23, 2019 | |
| 10.0.17134.1039 | KB4516045 | Public release: September 24, 2019 | |
| 10.0.17134.1040 | KB4524149 | Public release: October 3, 2019 | |
| 10.0.17134.1069 | KB4520008 | Public release: October 8, 2019 | |
| 10.0.17134.1099 | KB4519978 | Public release: October 15, 2019 | |
| 10.0.17134.1130 | KB4525237 | Public release: November 12, 2019 | |
| 10.0.17134.1184 | KB4530717 | Public release: December 10, 2019 | This update is available for Education, Enterprise and IoT Enterprise editions only. |
| 10.0.17134.1246 | KB4534293 | Public release: January 14, 2020 | This update is available for Education, Enterprise and IoT Enterprise editions only. |
| 10.0.17134.1276 | KB4534308 | Public release: January 23, 2020 | This update is available for Education, Enterprise and IoT Enterprise editions only. |
| 10.0.17134.1304 | KB4537762 | Public release: February 11, 2020 | This update is available for Education, Enterprise and IoT Enterprise editions only. |
| 10.0.17134.1345 | KB4537795 | Public release: February 25, 2020 | This update is available for Education, Enterprise and IoT Enterprise editions only. |
| 10.0.17134.1365 | KB4540689 | Public release: March 10, 2020 | This update is available for Education, Enterprise and IoT Enterprise editions only. |
| 10.0.17134.1399 | KB4541333 | Public release: March 17, 2020 | This update is available for Education, Enterprise and IoT Enterprise editions only. |
| 10.0.17134.1425 | KB4550922 | Public release: April 14, 2020 | This update is available for Education, Enterprise and IoT Enterprise editions only. |
| 10.0.17134.1456 | KB4550944 | Public release: April 21, 2020 | This update is available for Education, Enterprise and IoT Enterprise editions only. |
| 10.0.17134.1488 | KB4556807 | Public release: May 12, 2020 | This update is available for Education, Enterprise and IoT Enterprise editions only. |
| 10.0.17134.1550 | KB4561621 | Public release: June 9, 2020 | This update is available for Education, Enterprise and IoT Enterprise editions only. |
| 10.0.17134.1553 | KB4567514 | Public release: June 16, 2020 | This update is available for Education, Enterprise and IoT Enterprise editions only. |
| 10.0.17134.1610 | KB4565489 | Public release: July 14, 2020 | This update is available for Education, Enterprise and IoT Enterprise editions only. |
| 10.0.17134.1667 | KB4571709 | Public release: August 11, 2020 | This update is available for Education, Enterprise and IoT Enterprise editions only. |
| 10.0.17134.1726 | KB4577032 | Public release: September 8, 2020 | This update is available for Education, Enterprise and IoT Enterprise editions only. |
| 10.0.17134.1792 | KB4580330 | Public release: October 13, 2020 | This update is available for Education, Enterprise and IoT Enterprise editions only. This update is no longer available from Windows Update, Microsoft Update Catalog or other release channels since August 5, 2021. |
| 10.0.17134.1845 | KB4586785 | Public release: November 10, 2020 | This update is available for Education, Enterprise and IoT Enterprise editions only. This update is no longer available from Windows Update, Microsoft Update Catalog or other release channels since August 5, 2021. |
| 10.0.17134.1902 | KB4592446 | Public release: December 8, 2020 | This update is available for Education, Enterprise and IoT Enterprise editions only. This update is no longer available from Windows Update, Microsoft Update Catalog or other release channels since August 5, 2021. |
| 10.0.17134.1967 | KB4598245 | Public release: January 12, 2021 | This update is available for Education, Enterprise and IoT Enterprise editions only. This update is no longer available from Windows Update, Microsoft Update Catalog or other release channels since August 5, 2021. |
| 10.0.17134.2026 | KB4601354 | Public release: February 9, 2021 | This update is available for Education, Enterprise and IoT Enterprise editions only. This update is no longer available from Windows Update, Microsoft Update Catalog or other release channels since August 5, 2021. |
| 10.0.17134.2087 | KB5000809 | Public release: March 9, 2021 | This update is available for Education, Enterprise and IoT Enterprise editions only. |
| 10.0.17134.2088 | KB5001565 | Public release: March 15, 2021 | This update is available for Education, Enterprise and IoT Enterprise editions only. |
| 10.0.17134.2090 | KB5001634 | Public release: March 18, 2021 | This update is available for Education, Enterprise and IoT Enterprise editions only. |
| 10.0.17134.2145 | KB5001339 | Public release: April 13, 2021 | This update is available for Education, Enterprise and IoT Enterprise editions only. |
| 10.0.17134.2208 | KB5003174 | Public release: May 11, 2021 | This final update is available for Education, Enterprise and IoT Enterprise editions only. |
| Version | Knowledge base | Release date(s) | Highlights |