If your V3.x licenses are on an active Support & Maintenance Agreement, you can upgrade to V4 at no additional cost. Project configurations are fully forward compatible. Please contact us using the form to the right when you are ready to upgrade as we have upgraded our registration database and new Activation Codes will be required to upgrade to V4. Click for V4 Upgrade Best Practices
Several valuable features you can take advantage of by upgrading to 4.0 include:
Software Toolbox can look up the current status of your license and help you get the free upgrade, when the license is confirmed eligible. If the license is not eligible, we will send over a quotation to get your licenses back on support/maintenance so you can upgrade to the latest version.
Please include your license information (if at all possible) so we can quickly access the eligibility for your license. To lookup your license on the computer where you have OPC Data Logger installed, in the OPC Data Logger Configuration, go to Help > Licensing > Display License Information (as shown below) and send us the "Serial" number listed there: