Archive marked MSI MS-6740, 1.24 MB, in standard ZIP compression. The name holds no revision, version or content description, so its files must be identified once unpacked. MSI's MS- numbering is its internal board code and appears on the PCB surface, so compare it and the revision with your board first. Such packages typically serve technicians tracing power and signal paths or restoring a damaged BIOS. Back up the existing flash contents before writing, and confirm the image size fits the 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 @IT_SERVICE_WORLD. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.