Package tied to the Philips 24PFL5557 television, 2.22 MB in ZIP format, with no further information in its name. It most likely contains a flash dump or service files for the main board. Unpack it and identify the contents first. Dumps like these are written with an SPI programmer to revive sets with damaged firmware. Before flashing, make sure your board and memory chip are the same as those the dump came from, check the size fits, and save a copy of the original chip.
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 @hashmielecom. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.
Built-in OS tools7-Zip