An archive of repair files (board 14290-2). Shared as “LOIVE14 BDW (14290-2 85GK8) (REV A00).rar” — a .rar file, 4.35 MB.
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 @Satale_bios_esquemas_Laptop. Enginerys does not host this file.
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.