You need to un-rar the original .rar file right into the main Primo directory. This skin contains other needed files besides the skin file itself (ux files, font files, etc). So just un-rar the original rar file into the directory where the primo executable live and that will install everything where it needs to be (including the actual skin .zip file, which is in the original .rar file).

Hope that makes sense! :-)

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