Because this is a "split" archive, you cannot open or extract it on its own. To access the contents, you generally need:
: Ensure you have downloaded every numbered part of the set. SS-Ley-007_v.7z.002
: Right-click on the first file ( SS-Ley-007_v.7z.001 ) and select "Extract Here." Because this is a "split" archive, you cannot