The final release was made available to Windows Insiders on March 20, 2017, followed by a public release on April 5 via Update Assistant, and began to roll out on April 11.
[3] The update has reached end of service on October 9, 2018 in the Semi-Annual Channel.
[4] The Enterprise and Education editions have reached end of service on October 8, 2019.
[5][6] Support of this update on Surface Hub devices was available until March 16, 2021.
[7] Slow ring:October 5, 2016 Slow ring:November 16, 2016 Slow ring:December 14, 2016 Slow ring:March 8, 2017 Slow ring:March 17, 2017 Slow ring:March 23, 2017 Release preview:March 30, 2017 Public release (Manual download):April 5, 2017 Public release (General availability):April 11, 2017 Slow ring and release preview:April 5, 2017