Configuring your project structure and IntelliJ IDEA preferences/settings

The Project Structure is where you can change your Java SDK, Language Level and more

There are lots of ways to make IntelliJ IDEA your own

As well as the Preferences/settings dialog you can use Search Everywhere to make IntelliJ IDEA your own

You can share settings across your own instances of IntelliJ IDEA or with your colleagues

Both Project Structure and Preferences/Settings provide ways to make IntelliJ IDEA your own