ZIP archive of 978 KB named UX510U, a model code in line with ASUS ZenBook UX series naming, though no brand or board revision is given. The contents are not listed and could be a boardview, schematic or firmware dump. Once extracted, the material can help with tracing standby and main power rails, locating the charging IC and checking for shorts. Match the board revision on the PCB before use, and back up the original SPI contents before writing any dump.
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 @schematiclaptopramkushwaha. 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