New files can be created from the file menu of the #develop IDE.
To create a new file:
Select the File->New File (Ctrl-N) menu item:
You can also create a new file by right-clicking on your Project and selecting Add->New File
Select the type of file you would like to create from the list of File Templates and click OK.
Selecting some File Templates will start up the associated File Wizard and ask you a set of questions to help create a more customised file.
Type in the name of your new file and press enter.