Windows 10 build 16299.15

Windows 10 build 16299.15 is the official RTM build of Windows 10 version 1709. This build includes the Mixed Reality Portal (not available on the x86 version) and a video editor (accessible through an update to the Photos app). It was released on 2 October 2017 to Windows Insiders that were on the Fast ring, then to the Slow ring users on 4 October 2017, then to the Release Preview ring on 10 October 2017, and then finally released to the general public on 17 October 2017.