On Windows computers:
Go to "This PC" (or "My Computer" on earlier versions of Windows), and in the top toolbar find the "Map Network Drive" option.
For the Drive letter, choose S:.
For the Folder, enter \mimir\COMMON\CLASS\CS\150
For username, enter "AUGIENT\" followed by your Augustana username. For example, if your name is Harry Potter, use:
username: AUGIENT\harrypotter19
password: harrypotter'saugustanapassword
That should do it!
On Mac computers:
From a Finder window, use the "Go" menu, and choose "Connect to Server".
For the location enter smb://mimir.augustana.edu/COMMON/CLASS/CS/150
Use the same username and password as shown above for Windows.