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Here we will learn the Environment of Erlang. Now before you can start working on Erlang, you need to ensure that you have a fully-functional version of Erlang running on your system. This section will look into the installation of Erlang and its subsequent configuration on a windows machine to get started with Erlang.

Ensure that the following system requirements are met before proceeding with the installation.

System Requirements

Memory	2 GB RAM (recommended)
Disk Space	No minimum requirement. Preferably to have enough storage to store the applications which will be created using Erlang.
Operating System Version	Erlang can be installed on Windows, Ubuntu/Debian, Mac OS X.

Downloading Erlang

To download Erlang, one must go to the following url − www.erlang.org/downloads.

This page has a variety of downloads and also the steps required to download and install the language on Linux and Mac platforms.

Click on the ‘OTP 18.3 Windows 32-bit Binary File’ to begin the download of the Erlang Windows Installation file.

Erlang Installation

The following steps detail how Erlang can be installed on Windows −

Step 1 − Launch the Installer downloaded in the earlier section. After the installer starts, click Run.

Step 2 − Click Next on the following screen to accept the default components, which will be installed.

Step 3 − Accept the default installation path and click Next.

Step 4 − Eclipse will then scan the link provided and get the required plugins. Check the plugins and click Next.

Step 5 − In the next dialog box, Eclipse will show all the components which will be installed. Click Next.

Step 6 − In the next dialog box, Eclipse will just ask to review the components being installed. Click Next.

Step 7 − In the next dialog box, you just need to accept the license agreement. Finally, click the Finish button.

The installation will then begin, and once completed, it will prompt you to restart Eclipse.

Once Eclipse is restarted, when you create a project, you will be able to see Erlang as an option as well.

Installation in IntelliJ

Please follow the subsequent steps to install IntelliJ in your computer.

Step 1 − Open IntelliJ and click Configure → Plugins.

Step 2 − Type Erlang in the search box. You will get Erlang plugin on the right hand side of the screen. Click the Install button.

Step 3 − After the Erlang plugin is installed, you will be prompted to restart the IDE.

When you restart the IDE and try to create a new project, you will see the option to create an Erlang project.

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