RAR archive named only with the code 085F5.F63, which on its own does not identify a brand, model or board number, so the contents cannot be described with certainty from the name. The 4.56 MB size is consistent with a firmware image, a boardview or a small set of service files. Extract it and inspect the files before use; if it turns out to be a BIOS dump, confirm it suits your exact board, back up the original SPI chip with a programmer first and check the image size matches the flash capacity.
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.