Mention it is a RAR archive , requiring software like WinRAR or 7-Zip to extract.
The (1) suggests it is a duplicate download. The live1 prefix often points to: Live Stream/Concert: A recording of a live event. Live Linux OS: A bootable operating system image. live1 (1).part1.rar
A "White Paper" style guide on how to utilize the data within the archive once all parts are joined. Mention it is a RAR archive , requiring