Installing Flash Player 9.0 for Safari, Firefox, Mozilla, Netscape, or Opera on Macintosh:
1. Quit your browser before installing the new plug-in.
2. Remove any old versions of Flash Player. See Removing Adobe Flash Player for detailed information that applies to removing both old and new versions of the plug-in.
3. Double-click the "Install Flash Player 9 UB" file in the Flash Player folder on this disk to begin installation.
4. Open the browser. Flash Player 9 should be installed and working. To verify on Netscape, choose Help > About Plug-ins from the browser's menu.