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+**The Teacher File**
+
+To function as a teacher, you need to create an initial teacher file.  Start EduNetworkBuilder, and go to Edit -> "Class Setup"
+
+You will be prompted for a username.  The file name will have _Teacher_ prepended to it.  This is so it will always show up at the beginning of a directory full of student files.
+
+Next, you will be asked for the directory where the file should be saved.  You will probably want to have a directory structure something like Class\Year.  For example: Networking101\2016  Networking101\2017.  And make a new teacher file for each year.  (You can learn how to export homework from one year to the other in the [Homework](Teach_Homework) page.)
+
+To open your teacher file, you can double-click the file, or open EduNetworkBuilder and use the "File" -> "Open" method.
+
+Always start using EduNetworkBuilder by opening your teacher file now that you are a teacher.
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