What Is Windows 10 1507? Windows 10 1507 (build 10240) is the original release version of Windows 10, launched on July 29, 2015. The “1507” designation stands for July 2015 (YYMM). It marked the beginning of Microsoft’s “Windows as a Service” model.
What Is Windows 10 1507? Windows 10 1507 (build 10240) is the original release version of Windows 10, launched on July 29, 2015. The “1507” designation stands for July 2015 (YYMM). It marked the beginning of Microsoft’s “Windows as a Service” model.