Updated Build instructions for first time contributors

[skip ci]

Author: Stefterv

build/README.md

@@ -6,10 +6,12 @@ First, [download the IntelliJ IDEA Community Edition](https://www.jetbrains.com/
 
 1. Clone the Processing4 repository to your machine locally
 1. Open the cloned repository in IntelliJ IDEA CE
-1. Click `Install Required Plugins` on the bottom right
-1. Restart IntelliJ IDEA CE
+1. Click `Install Required Plugins` on the bottom right or in the notification tray
+1. In the main menu, go to File > Project Structure > Project Settings > Project.
+1. In the SDK Dropdown option, select a JDK version 17 or Download the jdk 
 1. Select your platform (Windows, MacOS or Linux) in the top right of the window
 1. Click the green Run Icon next to it
+1. Logs can be found in the `messages` or `run` pane on the bottom left of the window
 
 ## Manual Approach