Sigasi HDT is distributed online. It is available in two versions: as a stand-alone application or as a plugin inside a standard Eclipse installation. Your license gives you the right to use either version, at any time, at your discretion. Therefore, your first task is to decide which version suits your requirements, based on the description below. Depending on the chosen version, you should then follow the corresponding installation instructions.
The stand-alone application has the following characteristics:
The Eclipse plugin has the following characteristics:
To download and install Sigasi HDT as a stand-alone application, follow the online Installation Instructions.
After downloading, choose or create a folder where you want to install the software, and unpack the archive there. The archive contains a single top-level folder called hdt. Inside the hdt folder there is an application startup file, also called hdt. Start the application by executing the hdt startup file.
To download and install Sigasi HDT as an Eclipse Plugin, first check which Eclipse version you are using. Then follow either the Installation Instructions for Eclipse 3.6 (Helios) or the Installation Instructions for Eclipse 3.5 (Galileo).
To run Sigasi HDT, you need a valid license key. Normally, the license key will be set up as a part of the installation procedure.
If required, you can inspect and set the license key at any time under Window ‣ Preferences ‣ Sigasi ‣ License.
Sigasi HDT stores its projects on the file system in one or more workspaces.
When you start the tool for the first time, it will suggest to create a workspace for you:
Although you can work with multiple workspaces, we recommend to use a single workspace for all your projects.
Sigasi HDT has an automated update system. When updates are available, you are notified by a pop-up window called Updates Available in the bottom right corner:
If you want to install the updates, click anywhere in the pop-up window. After a few seconds, a new window will appear with further instructions.
The updates can be postponed by closing the pop-up. You can perform the updates
at any time by clicking the 
-icon in the status bar at
the bottom of the screen.
Consult the troubleshooting section if the update does not start automatically.