MSI MS-6570 zip package, 3.55 MB. Apart from the brand and board number the name carries no detail, so contents need confirming after unpacking; likely candidates are schematics, BIOS files or utilities. Schematic PDFs support diagnosing missing voltages and shorted rails, while firmware images allow recovery through an external programmer. The MS- number is MSI's own board code printed on the PCB. Match it and the revision to your board, and keep a backup of the original BIOS 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.