ZIP archive of 6.92 MB labelled AD08-V11 with a date of 2023-02-07, likely a firmware version and build date. No brand, device or board number appears, so the target hardware is unclear from the name alone. Open the archive and inspect its files or any readme to identify the platform. Before flashing, match the board marking, confirm the image size suits the flash chip, and keep a full read of the original chip so the device can be restored.
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