Version 1507 lacks many of the modern features (like the revamped Settings app or Timeline) that some users find distracting.
Microsoft does not make it easy to download retired versions. If you head to the official "Download Windows 10" page, you will automatically be given the latest build. To get the 1507 ISO, you have a few reliable paths: 1. Visual Studio Subscriptions (Formerly MSDN) windows 10 1507 iso download
In a world of constant updates, why go back to the beginning? There are a few specific reasons: Version 1507 lacks many of the modern features
Being the first iteration, 1507 is often perceived as "lighter" on RAM and CPU compared to the latest 22H2 builds. Where to Find the Windows 10 1507 ISO windows 10 1507 iso download