Compressed archive of 4.88 MB named only 0864D.F36, which gives no clear model, brand or board number. The extension pattern resembles a BIOS version label, but the contents should be verified after extraction before use. If it holds a firmware image, identify the target board from strings inside it, compare the dump size with the SPI flash capacity, and always back up the original chip with a programmer before writing anything to it.
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.
7-ZipWinRARThe Unarchiver (macOS)