While Microsoft announced plans to release Windows 10 Build 9879 ISO image later along with the normal Windows update for “Slow Ring” insiders, if you want you can download the full ISO image now.
The ISO image is now available from “Technical Preview for Enterprise” Technet evaluation center. Follow the link given below and use your Windows insider account to download it.
The Windows 10 Build 9879 brings plethora of changes and improvements, many of which are based on Windows insider’s feedback about the previous builds. Read the full Windows 10 Build 9879 changelog here.