Archive of about 12 MB described by its name only as MPS programming software; the name gives no version, operating system or supported device list. Monolithic Power Systems makes many of the power controllers found on laptop and graphics boards, and some of those parts are configured through a programming interface and vendor tool, which is the likely purpose here. Unpack the archive and read any included documentation before use, and confirm that the controller on your board is listed as supported before attempting to write configuration data to it.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @hrtechno. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.