The official download for Windows 10 version 1507 (the original "Threshold 1" release from July 2015) is no longer directly available from Microsoft's public download pages. Because version 1507 reached the end of service years ago, it no longer receives security or quality updates, making it vulnerable to modern risks. Where to Find Windows 10 1507 ISOs
Microsoft’s official Media Creation Tool and Windows Software Download page no longer offer version 1507. They provide only the latest Windows 10 version (22H2).
Microsoft no longer offers Version 1507 through the standard Media Creation Tool, which defaults to the latest supported build (22H2). However, you can still obtain the official ISO if you have access to: windows 10 1507 iso download
You can still get Windows 10 Enterprise 2015 LTSB evaluation from Microsoft directly.
Open Rufus and click the arrow next to SELECT, then choose DOWNLOAD. Select Windows 10. The official download for Windows 10 version 1507
In conclusion, the Windows 10 1507 ISO is more than a setup file; it is a historical document in binary form. While it has been rendered largely obsolete for the general consumer due to security risks and the lack of official support, its value remains high for specific technical use cases and preservationist circles. Whether used for maintaining legacy industrial systems or simply to satisfy curiosity about the "Start" of the Windows 10 journey, the 1507 ISO serves as a reminder of how far the operating system has evolved and the importance of preserving the starting line
Verification checklist (quick)
A Windows 10 1507 ISO download is a niche tool—like a vintage car. It’s fun to look at, historically interesting, but dangerous to drive on the modern highway.