Microsoft released Refresh Windows Tool few days ago that makes clean installation easier.
This tool installs a clean copy of the most recent version of Windows 10, and removes apps (both pre-installed and the ones installed by user) on the PC.
Consider that this tool works only in insider build 14342 and higher.
More informations:
http://answers.microsoft.com/en-us/insider/forum/insider_wintp-insider_repair/now-available-start-fresh-with-a-clean-install-of/55a2f3c7-4795-4685-b3ee-20187684c511
Download:
go.microsoft.com/fwlink/?LinkId=808750