Online courses are taken using the iCollege virtual classroom. The University System of Georgia has posted recommended computer requirements and absolute minimum requirements on the Online Support Center. Generally, your browser and plug-in compatibility is of bigger concern than your hardware or Operating System. You can test your browser compatibility by accessing the Browser Checker.
http://help8.view.usg.edu (Online Support Center)
http://www.usg.edu/usgweb/d2lchecker/ (Browser checker)