Windows 10 build 17075 is now going through internal testing. The new Redstone 4(v1803) Update build 17075 (10.0.17075.1000 rs_prerelease.180108-1416) was compiled on Jan 8, 2018.
Windows 10 build 17074 is now available for Fast and Skip ahead insiders. This build includes new features and enhancements for Microsoft Edge browser and Quiet Hours. In addition, the new build also added a brand new “App volume and device preferences” page.
The ISO files for Windows 10 build 17074 are also now available for download. You can download it from the link below.
