---
title: 1. Prerequisites
---


### 1.1. Download and Install IntelliJ IDEA

Download and install either IntelliJ IDEA Ultimate or IntelliJ IDEA Community Edition as described on the
[Creating Your First Plugin](/basics/getting_started.md) page.

### 1.2. Check out Community Edition Source Files

Download the IntelliJ IDEA Community Edition source files as described in the IntelliJ IDEA Community Edition 
[README](https://github.com/JetBrains/intellij-community/blob/master/README.md#getting-intellij-idea-community-edition-source-code) file.

### 1.3. Install Required Plugins

Make sure that the bundled Plugin DevKit plugin is enabled.
Install and enable
[Grammar-Kit](https://plugins.jetbrains.com/plugin/6606-grammar-kit)
and
[PsiViewer](https://plugins.jetbrains.com/plugin/227-psiviewer)
plugins.
<br/>
<br/>
![Plugins](img/plugins.png)

### 1.4. Configure the SDK and Source Files

Configure a common [JDK](https://github.com/JetBrains/intellij-community/blob/master/README.md#intellij-build-configuration) 
and an [IntelliJ Platform SDK](/basics/getting_started/setting_up_environment.md). 

### 1.5. Create a Project

Create an [IntelliJ Platform Plugin project](/basics/getting_started/creating_plugin_project.md).