Software Toolbox
Industrial OPC Connectivity — Try Before You Buy

Download the TOP Server Free Trial

Fully Functional Industrial OPC UA/DA Server — Test Connectivity with Your Devices and SCADA Clients

Get Your Free Trial

TOP Server Installer

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Trial Limitations

The TOP Server free trial runs for 2 hours at a time once communications to a device/system starts and must then be reset by restarting the TOP Server runtime service.

There are no artificial limits that cause the ability to run for 2 hours at a time to end after a certain number of days.

At the end of each 2 hour period, any client connections to the free trial will be discontinued and have to be re-established after restarting the runtime service.

If you need a longer period trial or test license that won't time out after 2 hours, please contact us.

What you'll need to use the free trial

The following are the base requirements for using the current version of TOP Server.

  • Windows 10 through 11 for desktop applications (32 and 64-bit)
  • Windows Server 2016 through 2025 (32 and 64-bit)
  • A client application (OPC UA, OPC DA, FastDDE/SuiteLink or DDE)
  • Flexible OPC Quick Client is included for easily testing your TOP Server configuration (Connect your own HMI, SCADA, MES, Historian and other client applications later.)

Your download includes

  • The full functionality of TOP Server including all drivers, plug-ins, client interfaces and the RESTful web service configuration API.
  • One installer - The trial installer covers both demonstration and license-holder installations.
  • Fully functional without any tag or device count limitations, subject to the Trial Limitations (click link at left) unless you are upgrading an existing license that is on active maintenance and support agreement.
  • Flexible OPC Quick Client is included for easily testing your TOP Server configuration and then connect your own HMI, SCADA, MES, Historian and other client applications later once you have proven out field connectivity.