Free support is provided for these controls. Free support includes: Email technical support Online system technical support and access to our online knownledgebase Telephone technical support Technical support consists of: Resolving problems where the controls do not appear to function as described Basic assistance in using the components within your development language with some support for creating example source-code projects for you Basic assistance in using the components as an end-user Basic assistance in the deployment of your application Assistance with configuring, using, deploying and troubleshooting the OPC connectivity Consulting services are available for items that are not within the scope of free support - click on the Consultation tab for pricing on consulting services