Windows 10 build 17007 for PCs is now under testing internally. The new Redstone 4 Update build 17007 (10.0.17007.1000 rs_prerelease.170927-1422) was compiled on September 27, 2017. In, addition, Windows 10 Mobile build 10.0.15253.0 (feature2.170927-1415) was also compiled on the same day.
Windows 10 build 17004 is available for skip ahead Insider members with a new Fluent Design for the start menu. Windows 10 Fall Creators Update RTM build is also expected to roll out soon. Currently, fast and slow ring insider are testing build 16299.
Recently, the company also released a new set of Windows 10 cumulative updates including OS build 15063.632 for Creator Update users, build 10586.1106 (Threshold 2) and OS build 14393.1715 (Anniversary Update).
You can download the ISO image files for the Windows 10 build 16299 and Redstone 4 build 17004 from the links below.