For Grails 2.2.x
This first video shows you how to install Grails and Java on Windows. To install Grails, you will need a Java SDK (www.java.com) and a grails library (www.grails.org). This video will show you how to download and install these two items. It then shows how to set the appropriate environment variables so that you can run the grails command.
Video: Install the Grails development environment on Windows
In the second video, you will learn how to install the Eclipse-based Integrated development environment (IDE) Ggts (Groovy & Grails Tool Suite). The IDE can help you write code more efficiently, such as syntax highlighting and code completion. This video shows you how to install and configure it, based on the grails2.2.x development environment you installed in the first video.
Video: Install Grails Ide:ggts
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Installing the Grails development environment on Windows