Information about how to install TERRA 4D software and demo configurations. Please refer to the installation guide for more details: terra_4d_installation_guide.pdf In general the following steps should be executed.

Download the program installer from the ftp server (for ftp details please check the installation guide). The same installer is used for client and server installations. There are two important directories to define during the installation process:

• Program directory: all program files (about 1GB)
• Data directory: configuration and GIS data (for demo configuration about 40GB)

Hardware requirements are also listed in the installation guide. Beside the general computer hardware requirements it is important to know that TERRA 4D uses OpenGL so please make sure an appropriate graphics card is installed.