SLIK-DA ActiveX Version 4.0 - Upgrade from Version 3.0 This item is no longer available for online ordering. See below for details on alternate products or products that may have superceded this item. Product Summary Users of versions of the SLIK-DA Toolkit Version 3.0 can upgrade to the current version 4.0 through purchase of this item. We will verify ownership of a prior version of Slik-DA before delivering this upgrade to you. We will contact you if we have any questions regarding verification of your ownership of a prior version. SLIK-DA ActiveX Version 4.0 - Upgrade from Version 3.0 This item is no longer available for online ordering. See above for details on alternate products or products that may have superceded this item.