diff --git a/README.md b/README.md
index 19586de..727a40f 100644
--- a/README.md
+++ b/README.md
@@ -22,6 +22,7 @@ In order to use this infrastructure from Mac OS X, follow these instructions:
    1. Install [Xcode from Apple](https://itunes.apple.com/us/app/xcode/id497799835?mt=12&uo=4).  Xcode is generally the most popular app in the Mac App Store in the "Developer Tools" category.  Xcode is free and you do not need to be a registered Apple developer to download and use it, especially if you are building Apple \]\[ programs.  I have only tested with Xcode 6 which is the latest version.  It appears as though project templates are a feature introduced in Xcode 4 so the Apple // project template may work with Xcode 4 or 5 but I have not tested them.
    2. Install the [cc65 v2.13.3 package](https://github.com/jeremysrand/Apple2BuildPipeline/releases/download/1.0/cc65.2.13.3.pkg).
    4. Install the [Apple // project template](https://github.com/jeremysrand/Apple2BuildPipeline/releases/download/1.0/Apple.XCode.Template.pkg).
+   5. Install [Virtual \]\[](http://www.virtualii.com).
 
 Your First Project:
 -------------------