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The "least painful" option would be to sign-up for an Ethereum Studio account and follow the (very comprehensive) "How to run the application in Ethereum Studio" section of the README file in the GitHub repository.
Transposing the instructions to a different IDE would be possible, but unless you know what you're doing this would involve some degree of pain, ...
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In theory, yes you could by learning the language of Ethereum smart contracts, Solidity.
In practice, if you don't already know how to code, you will have a hard time understanding Solidity. It has its own quirks and there is not much documentation available. It would be much easier to learn another language first to learn how to code (I would suggest Ruby ...
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