Right-click the first file ( Marilicious_NK.7z.001 ) and use 7-Zip to "Extract Here." The program will automatically combine the parts.
This file, , appears to be the second part of a multi-volume 7-Zip compressed archive. Marilicious_NK.7z.002
.7z.002 indicates this is a split archive created using 7-Zip software. Right-click the first file ( Marilicious_NK