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Follow 3 simple steps to get started with the Essential Architecture Manager.

Step 1: Download the Essential Software

Please ensure that the necessary software pre-requisites are installed before installing the Essential Architecture Manager.

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Note: Internet Explorer may try to change the name of 'essentialinstall.jar' to 'essentialinstall.zip' when downloading. If so, please be sure to save the file as 'essentialinstall.jar'.

Current Release: essentialinstall.jar version 1.3.3 (file size: 12.2 MB)

Essential Architecture Manager is the reference implementation of the Essential Meta Model. The downloaded file contains and installs the following software components;

Essential Architecture Manager Plug-ins - a set of custom built plug-ins for the Protege Ontology Editor
Essential Meta-Model - a Protege Knowledge Base that has been pre-populated with the meta-classes of the Essential Meta-Model
Essential Viewer - a Java Web Application for publishing, analysing and reporting against enterprise architecture models captured using the Essential Meta-Model.

Details of what has changed in each version of Essential Architecture Manager can be found in the release notes.

Updates

The following table provides links to packs that contain updates to one or more components of Essential Architecture Manager (with installation instructions enclosed).

Update	Description	Status	Notes
Essential Widgets 2.5 (file size: 3.3MB)	Patch update for Essential Widgets, taking them to version 2.5. Bug fix and new features.	Patch update	Included in Essential Architecture Manager v1.3.3 Widgets installation instructions Release notes
Essential Widgets 2.4 and Essential Viewer 2.3 (file size: 12.9MB)	Patch update for Essential Viewer taking it to version 2.3. Also includes update to the Essential Widgets and Essential Viewer to compress repository snapshot during the publish process. Recommended update for Essential Architecture Manager v1.3.1 or less ONLY. Essential Widgets 2.4 requires Essential Viewer 2.2+	Patch update	Included in Essential Architecture Manager v1.3, v1.3.2 and v1.3.3 Widgets Installation instructions Viewer Installation instructions
Essential Baseline Repository Meta Model 1.2 (file size: 392KB)	Update to the baseline Essential Repository updated to include all recent updates and patches	Patch update	Included in Essential Architecture Manager v1.3.2 & v1.3.3

Note: Internet Explorer may try to change the name of 'essentialupdate.jar' to 'essentialupdate.zip' when downloading. If so, please be sure to save the file as 'essentialupdate.jar'.

Step 2: Check the Software Pre-Requisites

To install and begin using the Essential Architecture Manager, the following 3rd party software components will be needed.

Name	Version	Description	Install Notes
Java Runtime Environment	1.5 or above	Required to run Protege and Apache Tomcat
Protege Ontology Editor	3.4.x (3.4.4 recommended)	The platform for capturing the architecture model.
Apache Tomcat*	5.5 or above	A Java web application server for running the Essential Viewer

In addition, for multi-user configurations, a JDBC-compliant RDBMS is also recommended (e.g. MySQL).

*Essential Viewer can be used with any Java Web Application Server but the installer assumes Tomcat. Please contact the Essential Project Team, via the forums, for further details of installing Essential Viewer with other Java Web Application Servers.

Step 3: Follow the Install Guide

Essential Architecture Manager can be installed in either Stand Alone or Multi-User mode and there is an installation guide for each mode. These Installation Guides provide instructions on how to install and configure the software components of the Essential Architecture Manager.

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