Setting Up a Rails Development Environment on Windows
Fabio Akita has put together a comprehensive walkthrough blog post on setting up a Rails development environment on Windows. This isn't particularly tricky in any case, but Fabio presents some good practices that only become apparent through experience (of which Fabio has a lot!) There's also a version in Portuguese.
As well as installing Ruby and Rails, Fabio covers installing RMagick, git, gVim, SQLite3, and setting up your command prompt console, as well as other resources you should check out once you're done.
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