[[Image:fdtd_lec1_1_module.png|600px|centerright]] You can start drawing objects and build up your physical structure right away. Or you can initiate a newproject by selecting the <b>New</b> [[Image:fdtd_newb.png]] button of the System Toolbar (or using the keyboard shortcut <b>Ctrl+N</b>, or viathe menu <b>File → New Project…</b>). This opens up the New Project Dialog, where you can enter a title for yournew project and set its path. You can use the Windows Explorer to go to the desired folder where you want to
place your new project folder. For this project, use the title “FDTDLesson1”. From the same dialog, you can
also set the project’s Length Units, Frequency Units, Center Frequency and Bandwidth. For this tutorial lesson,
[[Image:fdtd_lec1_3_newproject.png|500px|center]] Before you begin to set up the geometry of your project, let’s quickly ensure that the project units are set up correctly. First, open up the Units Dialog box by selecting the <b>Units</b> button of the Simulate Toolbar (or using the keyboard shortcut <b>Ctrl+U</b>). Make sure the length units are Millimeters, and select <b>OK</b> to continue. Similarly, for frequency and bandwidth, select the <b>Frequency</b> [[Image:fdtd_frequencyb2.png]] button of the Simulate Toolbar (or use the keyboard shortcut <b>Ctrl+F</b>) to open the Frequency Dialog box. Make sure both the frequency and bandwidth are 1GHz, and select OK to continue.