1. Install version 352 of MzScheme. (This is the version we use.
Don't use the latest version. There is said to be some bug/feature
in it that breaks Arc.)
2. Get http://ycombinator.com/arc/arc2.tar and untar it.
3. Type mzscheme -m -f as.scm and you should get an Arc prompt.
4. If you ^C an Arc program, you'll get the Scheme REPL. Use
(tl) to get back to the Arc REPL.
5. If you have questions or suggestions, post them on the
forum.
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