If you run into any problems or have any questions about these instructions, ping Prof. Stolley on Basecamp or post to the chat room -- if you're getting error messages, take a screenshot or write down the exact wording of the error.
1. Browser: Firefox Developer Edition
Available for all platforms (Mac, Windows, Linux) at https://www.mozilla.org/en-US/firefox/developer/ Download & install like any other software.
2. Editor: Atom.io