The search results for "microsoftwindows10pro1903liteversion64 bit upd" point to a non-official, third-party modified version of the Windows 10 May 2019 Update (Version 1903)
, a "disposable" desktop environment where you could run sketchy files without risking your actual system [13]. The Rise of the "Lite" Myth
Test the ISO in a virtual environment before installing it on your hardware.