RAR archive of 87.4 MB with a generic name indicating motherboard images. No brand, model or board number is stated, so the contents must be inspected to see which boards are pictured. High-resolution board photos are handy for comparing component placement, identifying missing or burnt parts and reading markings that schematics do not show. Make sure any photo matches your exact board number and revision before using it as reference for replacement parts.
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 @nityatechnology2020. 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)