An archive of repair files. Shared as “X2000_COMBO_SPHE1505_SCC_ISTAR_20150209.zip” — a .zip file, 3.46 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