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To run the Wolfram Engine on your macOS, you need to get a free license, install the Wolfram Engine and wolframscript, then activate the Wolfram Engine.

You need a Wolfram ID to activate the Wolfram Engine. If you do not have one already, you must create one.

If you are connecting to the internet via a proxy server, wolframscript needs suitable proxy information in order to be able to activate the Wolfram Engine. wolframscript uses the operating system’s proxy settings, which, for example, can be set by executing (in a terminal):

export https_proxy=https://your.proxy.server:port/

Setup Instructions

1. Quit any Wolfram products that are running on your machine.
2. In a web browser, visit https://www.wolfram.com/engine.
   
3. From the drop-down menu, select the version that you want to download and click the red Start Download button. The Wolfram Engine installer will be downloaded to the default downloads folder for your browser, and the Thank You page appears.
   
4. Click the red Get Your License button.
5. If prompted, sign in with your Wolfram ID and password. The Free Developer License Agreement page appears.
6. Read the Free Wolfram Engine for Developers Terms and Conditions of Use and select the checkbox to agree.
7. Click the Get License button. The license for the Wolfram Engine is created and associated with your Wolfram ID.
8. In your file browser, navigate to the folder to which you downloaded the installation file.
9. Run the downloaded dmg installer file. The Wolfram Engine Setup window appears.



10. Drag the Wolfram Engine.app icon to the adjacent Applications folder icon. The Wolfram Engine is copied to the Applications folder.
    

    The Wolfram Engine is now installed.

    To use the Wolfram Engine, you also need to install wolframscript.

11. Return to the Wolfram Engine Setup window.
    
12. Double-click the wolframscript.pkg icon to run the wolframscript installer. The Install wolframscript dialog appears.
    
    
13. Click Continue. The Installation Location screen appears.
    
14. Click Install to perform a default installation. Wait for the installation to complete. The Summary dialog appears.
    
15. Click Close to close the wolframscript installer.
16. In your Applications folder, double-click Wolfram Engine.app. wolframscript is launched. If wolframscript is not able to find the correct Wolfram Engine kernel, run wolframscript with the appropriate command-line options.
17. Enter your Wolfram ID and the associated password to complete activation.

    The Wolfram Engine requires one-time activation on this computer.
    Visit https://wolfram.com/developer-license to get your free license.
    Wolfram ID: user@email.com
    Password:
    

The Wolfram Engine is now activated. You can use it through wolframscript or through Language Client Libraries.