Intended audience. This document is intended as a complete installation guide for Liferay Portal 4.2. It is still a work in progress and will be updated frequently with new content. Contributions are welcome. It explains from the simplest installation methods intended for people reviewing Liferay to the most elaborate ones which will serve those wanting to install liferay in servers. All Liferay supported servers and databases are covered.

Liferay version. This guide has been written for Liferay 4.2. Some details might be different for previous versions of Liferay 4. Don't expect it to be accurate for even older versions.

Related documents. If this is not what you are looking for consider the following related documents

More information and support. If you have are looking for help in an specific issue we invite you to use our community forums: http://www.liferay.com/web/guest/devzone/forums to explain your problems and ask your questions. We also offer professional support services (support@liferay.com)where your company can be assigned a Liferay developer that will ensure that your questions are answered promptly so that your project is never compromised. Purchased support always gets first priority. This business model allows us to build a company that can contribute a great portal to the open source community. If your company uses Liferay, please consider purchasing support. Liferay has an extremely liberal license model (MIT, very similar to Apache and BSD), which means you can rebundle Liferay, rename it, and sell it under your name. We believe free means you can do whatever you want with it. Our only source of revenue is from professional support and consulting.