Revision 1.0 repair files for the MSI MS-7636 desktop motherboard, compressed into a 1.85 MB RAR. The name gives no breakdown of the contents, which in such packages are typically a schematic and possibly a boardview. A separate revision 1.3 archive exists, so match the revision on the PCB before you start measuring. Unpack the archive with WinRAR or 7-Zip and use the drawings to trace VRM circuitry, check chipset supplies and diagnose no-power faults.
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 .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.
7-ZipWinRARThe Unarchiver (macOS)