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To run the Wolfram Engine on your machine, you need to get a free license, install the program, then activate the product.

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 installation script 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. Open a terminal and change the directory to where the installer is located. For example, if the installer is located in your Downloads folder, run:

    cd Downloads 

   This changes the directory to your Downloads folder. If you wish to verify that the installer file is in this folder, use the command ls.

9. The installer needs administrative privileges to run. Use the command sudo to run the installer script. For example, if the installer is called “installer.sh”, run:

   sudo bash installer.sh

   sudo asks you to enter the administrative password on the machine. After providing the administrative password, the installer starts and the Installation Directory prompt appears.

Wolfram Engine 14.0.0 for LINUX Installer Archive
Verifying archive integrity. 
Extracting installer...............
------------------------------------------------------------------------
                        Wolfram Engine 14.0 Installer 
------------------------------------------------------------------------
Copyright (c) 1988-2023 Wolfram Research, Inc. All rights reserved.
WARNING: Wolfram Engine is protected by copyright law and international
treaties. Unauthorized reproduction or distribution may result in severe
civil and criminal penalties and will be prosecuted to the maximum extent
possible under law.
Enter the installation directory, or press Enter to select
/usr/local/Wolfram/WolframEngine/14.0:>

10. Press Enter to install the Wolfram Engine to the default directory. Otherwise, type the full file path to your desired installation directory and press Enter.
    
    The installer copies the files to the installation directory. The Wolfram Engine Scripts installation directory prompt appears.

    Type the directory path in which the Wolfram Engine script(s) will be created,
    or press Enter to select /usr/local/bin:> 

11. Press Enter to install Wolfram Engine Scripts to the default directory. Otherwise, type the full file path to your desired installation directory and press Enter.

    The scripts are installed, then wolframscript system integration is installed.

12. In a terminal, launch wolframscript with the command wolframscript. If wolframscript is not able to find the correct Wolfram Engine kernel, run wolframscript with the appropriate command-line options.
13. 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/engine/free-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.