An archive of repair files for HP hardware (board 6050A2892301). Shared as “6050a2892301 elitebook 820 g3.zip” — a .zip file, 40.6 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 @boardsscanrepo. 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