Before uploading code, you will need to create a compute capsule to contain it. 

After logging in, navigate to, where you will find the New Compute Capsule button. Click it and choose the appropriate language (in which most or all of your code is written) from the drop-down menu.

(You can add more languages later if you need to. See Setting up additional languages on Code Ocean to see how.) 

You will then be taken to a new private workspace, where you can upload and run your code, configure your computational environment, and, when you are ready, publish your capsule.

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