A Microsoft Windows-based PC, Windows 2000, XP, or Windows 7 operating system; Internet access and email; the Microsoft Internet Explorer or Mozilla Firefox Web browser; the Adobe Flash and PDF plug-ins (two free and simple downloads you obtain at http://www.adobe.com/downloads by clicking Get Adobe Flash Player and Get Adobe Reader). When the class starts, you'll receive instructions in Lesson 1 for downloading and installing a working copy of Keyboarding Pro 5. (Note: It will take more than one hour to download this program.) Please do not purchase or download the software from another source. Note: This course is not suitable for Macintosh users.