To use the contents of this zip file, you generally need to manually install them into your Daz library:
Paste these into your main library folder. When prompted, select "Yes" to merge folders. Futalicious_GF8_1.zip
Once installed, the assets should appear under People > Genesis 8 Female in your Content Library or Smart Content pane. To use the contents of this zip file,
Find your "My DAZ 3D Library" folder (usually in your Documents). Futalicious_GF8_1.zip
This is typically an add-on or "morph" pack that modifies the base character's anatomy or appearance.