An archive of repair files. Shared as “ZP.VST.59S.P813_General_1920x1080_Normal_USB (1).rar” — a .rar file, 2.31 MB.
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 @led_software. 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)