The Design 3D CX 7.0.7 updater can be found here:
NOTE: The 7.0.7 update is NOT a Design 3D CXi (App Store version) update. Software purchased through the Mac App Store will be updated through the App Store.
The Design 3D CX 7.5 upgrade is available for purchase on the Strata Store.
The Foto 3D CX 2.1 updater can be found here: