FirstClass® Client - 2 CHOICES: FirstClass® enables you to experience the power of reliable communication, collaboration, conferencing, and calendaring capabilities in one easy-to-use solution.     The FirstClass® Client software provides a desktop application that is optimized for fast, streamlined access to the FirstClass® server. 1. Choose the FULL version you want to install. Mac OS 9 & X or Windows or Linux OR 2. FirstClass® Plugin for Microsoft Explorer for Windows® The FirstClass Plugin version 8.043 is embedded directly into Microsoft's® Internet Explorer. The FirstClass Plugin gives you all the benefits of the rich FirstClass Client experience. For example, you can: • use the FirstClass spell checker • view web pages and still be notified of new mail, calendar reminders, or be invited to a chat • use your browser's Back and Forward buttons to scroll through the pages you have visited, just as you normally would on your browser • create messages with styled text and embedded images. Installation is quick and easy, just a single click and a small download. After you click "Download Now", your browser's status bar will indicate the process of the download and installation. You will see a large white box on your screen until the download and installation are complete. The download is about 3M and will take about 8 minutes on a 56.6 modem. When the download is complete, you'll see a security dialog, just click Yes to complete the installation. Enter your User ID and password to log into your FirstClass account. Click Download now to begin the FirstClass Plugin installation.