They usually follow a naming convention like filename.part1.rar , filename.part2.rar , filename.part3.rar , etc.
Are you trying to it, and if so, are you receiving an error message ? TFBM22WEB18.part3.rar
You must download all segments and use a program like WinRAR or 7-Zip to extract them, starting from the first part [1]. Safety Warnings for Unknown Archives They usually follow a naming convention like filename