Unlike later feature updates (1511, 1607, etc.), this original ISO carries a raw, unfinished energy. When you mount or burn this 3–4 GB image today, you are greeted by the first iteration of the Start Menu —a hybrid of Live Tiles from Windows 8.1 and the familiar list of apps from Windows 7. Notably absent are the Edge browser’s later extensions, the dark theme, and the right-click context menu on the Start button (Win+X menu was spartan).
Once you have the .iso file, follow these steps to install the 2015 version: windows 10 version 2015 iso
Once installed, you can verify you are on the 2015 version by: and hitting Enter. Looking for Version 1507 (OS Build 10240) Unlike later feature updates (1511, 1607, etc