Just in time for the bug bash, Microsoft has made the ISOs for build 15025 available. The build includes a good number of fixes and a couple of new features directed at a accessibility improvements.
#WindowsInsiders participating in the #WinBugBash: ISOs for PC build 15025 are now available! Download here: https://t.co/l8663yAZCf
— Windows Insider (@windowsinsider) February 3, 2017
The ISO will allow you to clean install the build 15025 on your PC and you can participate in the Bug Bash which has kicked off from today.