Image (click to enlarge):

Steps:

1. Click the "Save" button on the toolbar.  (Or, click the file menu and choose "Save As..." to save a copy of the portfolio.)
    

3. In the dialog box that appears, click to the side of "Look in" to change the drive accessed .
    
4. Double-click folders and subfolders until you get to the location where you wish to save the portfolio file.
    
5. Type in a name for the file under "Filename", then click "Save".