ZIP of 328 KB named T-link version 22, with no device or board number mentioned. The name matches a small Windows utility that circulates among repair technicians alongside boardview tools; the exact purpose should be confirmed from the contents and any readme inside. Tools of this kind usually support viewing or converting board layout data for locating parts and nets. Scan the executable before launching it, and treat any board files inside as valid only after matching the number and revision to the PCB.
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 @boardview_software_download. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.