Link: https://www.jetbrains.com/idea/download/other.html
Make sure that you are downloading COMMUNITY EDITION.
Link: https://git-disl.github.io/GTDLBench/datasets/mnist_datasets/
Click on "Download Raw Dataset".
Clone the repository on your terminal.
Move the MNIST Dataset into a parent folder (Should NOT be inside repo, because of 100 mb limit for git)
Run Main.java and use commands in terminal to operate