1. Click on the Windows button then Computer.
2. At the top, click the button for Map network drive.
3. Select whatever drive letter you want, and for Folder type "\\cooper.library.uiuc.edu\".
4. Make sure the box for "Connect using different credentials" is checked.
5. Click Browse.
6. It will ask you for credentials. Use "uiuc\{your netid}" and your AD password. This will get you a list of shares on Cooper that you can access.
7. Select the one you want to map, and press OK.
8. Click finish, and it will prompt for credentials again. Use "uiuc\{your netid}" and your AD password.