C Tech Software Installation Help - Version 2026.3

Welcome to the C Tech software installation and licensing guide. For product information, visit ctech.com

What do you need to do?

• View an EVS Presentation File (*.evsp)

  For clients or stakeholders who received an EVS presentation file. Install EVS and select “Presentation” — no license or additional configuration needed.
• Evaluate Earth Volumetric Studio with a Demo License

  For prospective users evaluating EVS. Install EVS and select “Demo” to get started with a time-limited trial.
• Set Up EVS with Your License

  For licensed EVS users. Set up EVS for your license type — USB dongle, floating, or enterprise.
• Install and Configure a License Server

  For IT administrators. Set up the C Tech Universal License Server to serve floating or enterprise licenses to your organization.
• Apply License Updates

  For users and IT administrators. Apply a .ctupdate file to update or install licenses on local or remote machines.

Reference

• License Manager Reference — Detailed documentation for the C Tech License Manager
• Requesting Licenses — How to find your System Identifier (a unique code for your computer) and request Enterprise software licenses
• Hardware Requirements — Recommended and minimum hardware for running EVS