Installing and configuring IntelliJ IDEA
The following steps and screenshots will demonstrate the IntelliJ IDEA Community Edition installation on Windows, though the installation is not much different for Linux or macOS.
Downloading and installing
You can download the IntelliJ IDEA Community Edition installer from https://www.jetbrains.com/idea/download. After the installer has downloaded, launch it by double-clicking on it or right-clicking and selecting the Open
option from the menu. Then, walk through the following screens, accepting all of the default settings by clicking the Next>
button, unless you need to do something different. Here is the first screen:

You can use the Browse...
button and select any location for a Destination Folder
, or just click Next>
and accept the default location on the following screen:

Check 64-bit launcher
(unless your computer supports 32-bits only) and .java
on the following screen:

We will assume that you have JDK installed already, so there is no...