Step 1: To download IntelliJ Scala IDE visit the website https://www.jetbrains.com/idea/download/#section=windows and click the “DOWNLOAD” link under the Community Section.
Step 2: Once the download is complete, run the .exe file to install IntelliJ. The setup wizard should have started. Click “Next”.
Step 3: On the next screen, change the installation path if required. Click “Next”.
Step 4: On the next screen, you can create a desktop shortcut if you want and click on “Next”.
Step 5: Choose the start menu folder. Keep selected JetBrains and click on “Install”.
Step 6: Wait for the installation to finish.
Step 7: Once the installation is finished, you should receive a message screen that Application is installed. If you want to manually reboot or reboot now and click “Finish”.
Step 8: After you click on “Finish,” the following screen will appear.
Now you are all set!! Then create a new project and start working on it.