Right-click on EMP6_2.part01.rar (always start with the first part).
Because "EMP6_2" is a generic label often used in scene releases or repackaged software, 1. Requirements for Multi-Part Archives EMP6_2.part16.rar
It is highly recommended to scan the extracted folder with an antivirus tool or upload suspicious .exe files to VirusTotal before running them. Right-click on EMP6_2
The software will automatically detect all subsequent parts (including your part 16) and join them back together into the original single file or folder. EMP6_2.part16.rar