How to Check for a Java Version

Sun Microsystems releases new versions of Java Runtime Environment, its essential Web plug-in, on a regular basis. Keeping your version up-to-date is necessary if you want to enjoy the latest rich Web content, but with so many versions, you may have a hard time keeping track of the one installed in your browser. Fortunately, the answer is right there on the computer, waiting to be discovered.

Step

Click the Start button, and select Run from the Start menu.

Step

Enter "cmd" (without the quotation marks) in the Run field, and then click the Run button.

Step

Enter "java -version" (without the quotation marks) at the command prompt and press Enter.

Step

Look at the text that appeared below the command prompt. It includes the currently installed version number and information.