Microsoft does not officially host direct downloads for legacy ISOs like 1507 for general consumers. Windows 10 LTSB (1607) End of Support

This release introduced many of the features that define modern Windows 10: the Start Menu redesign, Cortana integration, virtual desktops, the Action Center, and the new Microsoft Edge browser (originally codenamed Project Spartan). It also established the "Windows as a Service" model, where the operating system receives ongoing feature and security updates rather than requiring periodic major releases.

Because 1507 reached its end of support (EOS) for Home/Pro in 2017 and Enterprise LTSB in October 2025, you cannot rely on standard Windows Update for new features. Microsoft Learn

An updated ISO offers several practical advantages: