I have to develop a Robot which has to work for 7 days. I've created the process and my question, do I have to create a Work Queue and configure my Process or how do I do that.
Work queue creation is not a compulsory task, it all depends on the process.
I'd recommend you to use create and use work queues as it has many benefits including:
here's a documentation for more details https://portal.blueprism.com/system/files/documents/Work%20Queues%20Guide.pdf