Each version is only available for purchase one time. Remember, too that you can only install Office on up to two different computers. Write this down OR email it to yourself for safekeeping as it will only be accessible on the site for 30 days and will not be emailed to you automatically. Note: your product key is displayed in red after you checkout. Faculty and staff must pay a one-time download fee of $14.99 however, faculty and staff licenses expire after they depart from the University. The download is FREE for students! Even after you graduate from VCU, the license key will remain valid. This tutorial will walk you through downloading Microsoft Office to your Mac.