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Get Started
New to Twin Activate? Learn the basics here.
Invoke Altair Twin Activate
Run Twin Activate on Windows or Linux.
Run in GUI Mode
GUI mode provides access to all editorial, execution, and management features of the Integrated Development Environment (IDE).

Welcome
What's New
Discover new features and enhancements.
Get Started
New to Twin Activate? Learn the basics here.
- System Requirements
  Operating system, hardware, software and memory requirements.
- Setting Preferences
  Define a variety of options for display, shortcuts, paths, and client behavior.
- Invoke Altair Twin Activate
  Run Twin Activate on Windows or Linux.
  - Run in GUI Mode
    GUI mode provides access to all editorial, execution, and management features of the Integrated Development Environment (IDE).
  - Run in Batch Mode
    The batch mode option is especially useful for process automation, optimization, and other repetitive simulation tasks.
- Model File Basics
  Learn how to access, annotate, display, select objects, navigate, add property information, and search in models.
- Workspace
  The application workspace includes a combination of tools, browsers and palettes of predefined and programmable blocks to help you easily construct and simulate dynamical system models.
- Architecture
  The workflow between the Twin Activate client and engine facilitates the modeling of reactive systems.
- Online and Local Help
  Access help topics online or from your local installation.
- Online Learning
  Altair offers a host of resources for learning and maximizing the power of Twin Activate.
Tutorials
Start using Twin Activate with our interactive tutorials.
User Guide
Learn about the features and functionality available in Twin Activate.
Reference Guides
Explore the Extended Definitions, OML Guides, Block Library, API Guide and Glossary.
Frequently Asked Questions
You've got questions? We've got answers!

Run in GUI (Interactive and Graphic) Mode

GUI mode provides access to all editorial, execution, and management features of the Integrated Development Environment (IDE).

Run in GUI Mode on Windows

Run Twin Activate from the Windows Start menu or installation directory.

In Windows, select from the following options:

From the Start menu, select Altair > Twin Activate.

From the directory where Twin Activate is installed on your system, select the executable file: <installation_directory>\TwinActivate.bat.

From a command prompt, enter: <installation_directory>\hwx\bin\win64\runhwx.exe -c "Activate" -v Activate2024.1 -ef Act.env -ex ExecMainAct.exe

Note: You can pass an .scm file as an input argument to the invoke command:

<installation_directory>\TwinActivate.bat
                            -f foo.scm

Run in GUI Mode on Linux

Run Twin Activate from the Linux terminal.

From the directory where Twin Activate is installed on your system, execute the script <installation_directory>/scripts/TwinActivate.

Note: You can pass an .scm file as an input argument to the invoke command:

<installation_directory>/scripts/TwinActivate
                            -f foo.scm