Large 118 MB zip archive named only by the date 26.06.2019, which gives no hint of the device, brand or board. Its size suggests a collection of schematics, boardviews or firmware dumps rather than a single file. Open it and catalogue the contents before use. Identify each item by the board numbers inside, then match them against the PCB you are repairing. For any BIOS images found, back up the original chip and verify the capacity before flashing.
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 @laptopdesktop. 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