The warning for the installer on the platform check is too strict if they don't have the exact platforms that we support. It should be:

Thank you for choosing the Java(TM) Platform. You may continue with the installation, but for best results we recommend running on one of the following operating systems: Windows XP, Windows 2003 Server, Windows 2000 with Service Pack 2 or later, Windows NT 4.0 with Service Pack 5 or later, Windows ME, Windows 98.
###@###.### 2003-07-25