How to set the default Java version in the Project Structure in IntelliJ?

Question

I see that whenever I open a new project, the Java version in the Project Structure is automatically set to 13.

Currently, I go over all the modules and change their Java versions to 8. Do you know how can I make IntelliJ automatically set the Java version in the Project Structure to 13?

Answer 1

You can configure a Default Project Structure, which will be default for every new project you open/create/import in the future:

For this:

1. First of all, I would recommend to have an updated version of your IntelliJ IDEA;
2. Go to File → New Projects Settings → Structure for New Projects. Here you will be able to configure your default Project SDK and Project language level.

Hence, all the new projects you are going to open in IntelliJ IDEA, will, by default, have the settings you have configured.