: You need a utility like WinRAR (Windows), 7-Zip (Windows), or The Unarchiver (macOS). Step-by-Step Guide
: Right-click on specifically Sieihtusuh02EMNL2PEH6-AN60.part1.rar . Select Extraction Method :
Choose to create a new subdirectory for the contents.
How to extract multipart rar with missing parts? - Super User