Duplicate copy of the Wistron Selek 15 archive for the Comet Lake H (CML-H) platform with N18E GPU, board number 19753, identical in size at 3.96 MB. The suffix in the name suggests a second saved instance rather than a different revision. Wistron numbers its board projects with five-digit codes like this one, used in designs for various brands. Use it to trace rails and signals, and confirm the PCB number matches before relying on any part references.
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 @SCHEMATICWORLD. 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)