How Do I Edit my Existing Project?
Step 1:
Go to File/Open/Project in the file menu in the menubar.
Step 2:
Select a project that you wish to edit in the list on the left-hand side.
Step 3:
Click the edit project button. A dialog should appear with the selected projects properties.
Change the existing project properties.
Step 4:
When you are finished changing the project's propeties click the edit button. This will save the changes you have made to the selected project.