You're looking for a Windows 10 Pro 1507 ISO download. Here are some details: You're looking for a Windows 10 Pro 1507 ISO download
Windows 10 Pro 1507 is an early version of Windows 10, released on July 29, 2015. The "1507" designation refers to the version number (10.0.1507) and the month/year of release (July 2015). This version is also known as the "RTM" (Release to Manufacturing) version of Windows 10. released on July 29