Microsoft is now testing Windows 10 build 17032 internally. The new Redstone 4 Update build 17032 (10.0.17032.1000 rs_prerelease.171031-1400) was compiled on Oct 31, 2017. Windows 10 Mobile build 15400 was also compiled recently. The new build will roll out next week for fast and skip ahead insiders.
Redstone 4 update build 17025 is now available for Slow, Fast and Skip ahead insider members. The new build comes with new features and other improvements to the OS.
Windows 10 version 1709 (Fall Creators Update) is now available for everyone. A new cumulative update KB4043961 (OS build 16299.19) is also available for end users. The update comes with bug fixes and minor improvements.
You can download Windows 10 build 17025 ISO files from the link below.