Under the section, look for 1507 (Build 10240 - July 2015) .
Installing Windows 10 version 1507 is similar to installing any modern Windows operating system. The most common and reliable method is a clean installation using a bootable USB drive.
Developed by a user named AveYo, the MediaCreationTool.bat script is a smart workaround that tricks the official Microsoft Media Creation Tool into downloading older Windows 10 versions, including 1507. The files are downloaded directly from Microsoft's servers, which ensures their legitimacy.
How to Download Windows 10 Version 1507 ISO (The Original Threshold 1 Release)
Do not connect a 1507 machine to the internet. It has over 700 unpatched critical vulnerabilities.
When Microsoft launched Windows 10 on July 29, 2015, the initial version shipped under the designation (Build 10240). Internally codenamed “Threshold 1,” this was the foundation of the Windows as a Service (WaaS) model. For enthusiasts, legacy system users, or those needing a baseline for offline installations, the Windows 10 1507 ISO remains a niche but important download.
Last updated: February 2026. Microsoft product names and identifiers are property of Microsoft Corporation.
Click the small arrow next to the button and change it to DOWNLOAD . Click the DOWNLOAD button. A prompt will appear.
If you are upgrading, Dell has published guides that mention the process of upgrading from Windows 7 or 8.1 to version 1507, with a list of compatible computers originally tested for the upgrade.
If you are not a VLSC customer, your only safe option is community-driven checksum-verified ISOs. The most trusted sources:
Get SHA-1 via PowerShell:
If Microsoft link method fails, some community-preserved ISOs exist with matching MSDN originals. Never use unknown torrents or random sites without hash verification.