ZIP file carrying only the Philips model code 22PFL2658 in its name, so its exact contents are unknown until opened. At 2.36 MB it is probably a firmware or memory dump for the main board of this LCD TV, possibly with an EEPROM file. Technicians use such data to reprogram the flash on a set with corrupted software. Before writing, confirm the main board and flash chip match your unit, check that the image size equals the chip size, and back up the original contents.
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