RAR archive labelled for the HP Notebook 15-r208tu, also carrying the tokens 0220D and F39, which could be a firmware version or HP code but are not explained in the name. The 3.86 MB size fits a BIOS package, though the contents should be checked after extraction. If it holds a firmware image, read and save the original SPI flash with a programmer first, and make sure the image size matches the chip capacity. Confirm the board number on the PCB before writing anything.
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 @SCHEMATICWORLD. Enginerys does not host this file.
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.