An archive of repair files. Shared as “HK.T.RT2831P588_1920x1080_1G_8G.zip” — a .zip file, 706 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 @tvsoftwareworld. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.
Built-in OS tools7-Zip