A boardview (component placement) file for Gigabyte hardware. Shared as “Gigabyte GV-RX460WF2OC-2GD Boardview(tvw).zip” — a .zip file, 1.27 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 @boardviewsandachematics. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.