3DEC System Requirements

System Requirements

  • Operating System:
    • Windows 8.1 or later (with the latest service packs installed)*
    • Linux current Long Term Support (LTS) version of Ubuntu 20.04
  • Hard Disk: 500 MB
  • Processor: Dual core CPU (2 GHz)
  • Memory (RAM): 1 Gbyte
  • Video Card: HD graphics card, 800 x 600 pixels, 32-bit color palette, OpenGL 1.5 or higher
  • Ports: 1 USB port is required for the security key

Recommended System

  • Operating System:
    • Windows 10 Pro (with the latest service packs installed)*
    • Linux current Long Term Support (LTS) version of Ubuntu 20.04
  • Hard Disk: 2 TB, 7200 rpm or better
  • Processor: Intel Core i7 CPU (3 GHz) or better
  • Memory (RAM): 16 Gbytes or better (large models may require more memory)
  • Video Card: HD graphics card, 1024 x 768 pixels, 32-bit color palette or better, OpenGL 1.5 or higher
  • Ports: 1 USB port is required for the security key

*Please read our full OS Policy.

Software Downloads

3DEC Releases

3DEC Legacy Releases


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“Getting Started With Dynamic Modeling in FLAC3D
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8 May
World Tunnel Congress 2025
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11 Jun
Python in Itasca Software
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