TBEST 4.5 Installation and Configuration Instructions Step 1: System Administrator logs in to perform the installation on the target computer. Step 2: Uninstall any previous TBEST installations and close any open programs. Step 3. Download the TBEST 4.5 installation file from www.tbest.org. Download the installation file which matches the version of ArcGIS to be used on the machine. TBEST 4.5 is compatible with ArcGIS 10.2, 10.3.1, 10.4.1, 10.5.1 and 10.6.1. Users must be registered and logged in to the TBEST website in order to download the installation file. On the website, the installation can be found under the Downloads menu. Step 4: Execute the installation file from its download location. Follow the on-screen instructions to install TBEST. If not already installed, this step includes automatic installation of TBEST prerequiste programs including Microsoft SQL Server 2014 LocalDB, Microsoft Data Connectivity 2007, and Microsoft SQL Server ODBC Driver 13 onto the local computer. Step 5: Administrators must allow local users read/write/execute permissions to the following directory: 32-bit OS: C:\Program Files\TBEST\TBEST40\modelplugins\ 64-bit OS: C:\Program Files (x86)\TBEST\TBEST40\modelplugins\ Step 6: Administrators must allow local users read/write permissions to the ‘C:\TBEST\’ directory and all subdirectories. Step 7: Verify that the Read Only folder attribute on the ‘C:\TBEST\’ directory and all subdirectories is set to false. Step 8: ArcGIS 10.2, 10.3, 10.4, 10.5, or 10.6 (Basic license level or greater) must be installed prior to using TBEST. Follow the ArcGIS installation instructions provided by ESRI.