The first time you open IntelliJ, an initial configuration wizard will be shown to you. This wizard will ask you which technologies you want to enable or disable, then it will pick plugins or a group of dependent plugins. It is recommended that you just enable the plugins that you will use because the more plugins you have enabled, the more time is spent in starting the IDE. Also, you can enable or disable any plugin when you want, in the settings dialog.
The majority of the time, you won't need to configure anything in IntelliJ. For example, if your project uses a Git repository, when you open the project in IntelliJ, it will configure its VCS tool automatically based on the Git's files present in the
Git folder. Even if it is necessary ...