ZIP archive associated with the Philips 24PFL3538 television by its model number; the name states nothing else. With a size of 2.22 MB it most likely contains a firmware dump or service data for the main board. Open it with any archive utility and identify the files before use. If you intend to flash an image from it, confirm board version and chip capacity against your set, and make a full read of the original flash with your programmer before writing new data.
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