ChemDraw is available for students and faculty. Anyone with a valid Bucknell email address is eligible to download and install ChemDraw on a University owned or personally owned computer.
ChemDraw Ultra 14 has versions for Macintosh and Windows. You should logon to the site each year to download the newest software and retrieve a new license code.
It can be found on the ChemDraw website, using this form to request the download:
ChemDraw/ChemOffice Subscription Gallery