Archive named H61M-E, a 3.71 MB RAR without a brand in the name. Several makers used H61M-E as a model name for Intel H61 chipset LGA1155 boards, so confirm manufacturer and revision on the PCB before use. The contents are not described and may be a BIOS image or repair documentation. Firmware for such boards is used to recover from a corrupted BIOS by writing the SPI chip with a programmer; back up the original first and make sure the file size matches the flash chip.
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 @laptop_bios_schematic. 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.