Compressed zip of 4.41 MB tagged with the Razer model code RZ09-01953, a Blade laptop identifier. The file name carries nothing about the board, revision or firmware version, so treat the contents as unknown until extracted; a BIOS or EC image is the likely payload at this size. Technicians use such packages to recover bricked machines by reprogramming the SPI flash with an external programmer. Verify the RZ09 code against the device label, dump and archive the current chip contents, and check the image length against the chip.
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 @biositechyangiyer. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.