Very large programs may require more RAM for adequate performance.
Upgrading from Previous Versions If you have a previous version of Java Web Start, do not uninstall it.To prevent this problem, ensure that the user and system locales are identical, and that the installation path contains only characters that are part of the system locale's code page. I downloaded the installer and it is less than 1 megabyte. The Windows Online Installer for the JRE will download more installer files.Using this installer helps users to avoid downloading unnecessary files. I had the Java Control Panel open for Java Update and the About tab showed the version of the JRE installed in my computer.With Java Web Start, you can download and run applications, such as a complete spreadsheet program or an internet chat client, without going through complicated installation procedures.With Java Web Start, you run applications simply by clicking a web page link.
The Java Plug-in is automatically enabled for supported web browsers during installation of the JRE. Note: In Java SE 9, the version of the Java Plug-in that is available in versions of the JRE prior to Java SE 6 Update 10 has been deprecated.