Need to know what version of Java your PC is running? Here is a quick guide.
Step 1: Click the Start menu and type ‘cmd’. A shortcut to the ‘Command Prompt’ application should come up. This application came pre-installed on your Windows 7 computer. Click this shortcut.
Step 2: In Command Prompt, type exactly, “java -version” (without quotation marks, of course). Make it so that it looks exactly how I have mine.
Step 3: When you hit the ‘Enter’ or ‘Return’ key on your keyboard, the Java version should come up. It should look like this:
Step 4: To exit Command Prompt, type “exit” (again, without quotation marks) and hit ‘Enter’/'Return’. The application should quit.
To download Java, click here: http://java.com/en/download/manual.jsp