Aul says that even though Microsoft doesn’t offer ISO file downloads for builds that are available through the Fast ring, the company considered to make the installation files available for download to help users test the new activation mechanism. If you missed it, with the release of Windows 10 build 10565, the software giant also announced that users will now be able to use their already activated Windows 7, Windows 8, or Windows 8.1 product key during the clean installation process, which eliminates the need for users to go through the upgrade process before doing a clean install.

— Gabriel Aul (@GabeAul) October 15, 2015 While the new activation rules are only available for Insiders running Windows 10 build 10565 or later, the company plans to make new changes available when it releases Windows 10 Threshold 2, which should arrive in November.

Windows 10 Insider Preview (x64) – Build 10565 (US) Windows 10 Insider Preview (x86) – Build 10565 (US) Windows 10 Insider Preview (x64) – Build 10565 (UK) Windows 10 Insider Preview (x86) – Build 10565 (UK) Windows 10 Insider Preview – Build 10565 (All languages)

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