1507 Windows 10 [2021] Official

To better serve 2-in-1 devices, 1507 allowed the OS to transition seamlessly between a touch-friendly tablet interface and a traditional desktop environment. Hardware and System Requirements

Support for Windows 10 version 1507 ended in May 2017 . It is no longer secure for internet use unless you have the Long-Term Servicing Branch (LTSB) version, which receives extended security updates. 1507 windows 10