An archive of repair files. Shared as “Intel DH61CR 4MB 11209 eletronicabr.com.zip” — a .zip file, 1.86 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 @acheibios. 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