Windows 10 Threshold 1

6.4.9841 · Version 1507

6.4.9841.0 1 October 2014

Windows 10 changelogs

As this build is based on the PC version of Windows 10, the following changelogs also apply to Server:

And further

  • Initial release

6.4.9841.14 18 November 2014

And futher

  • Unknown fixes and improvements

6.4.9841.15 9 December 2014

And futher

  • Unknown fixes and improvements

6.4.9841.17 11 April 2015

And futher

  • Extends the timebomb date to cover the time until the Technical Preview 2 release
  • Unknown fixes and improvements
Windows 10
Threshold 1

11 April 2015

server9841.17
PreviewPreviewPre

9 December 2014

server9841.15
PreviewPreviewPre

18 November 2014

server9841.14
PreviewPreviewPre

1 October 2014

pc9841.0
Slow RingSlowSR
server9841.0
PreviewPreviewPre