SpiderMonkey 1.8.5 for Windows
The source code was downloaded from Mozilla’s Mercurial repository via http://hg.mozilla.org/mozilla-central/ on 2010-11-24. This is based off of the latest successful build “mozilla-central” after Mozilla Firefox 4.0b7 was released.
This version of SpiderMonkey was built on 2010-11-26 with Microsoft Visual Studio C++ 2008 Express Edition with the Microsoft Platform SDK for Windows Server 2003 R2. It has been tested to run on Windows XP Service Pack 2.