How to Install Java Script

Want to know how to install java script? Sun Microsystems releases frequent updates for Java, so even if you've already got it installed, you might want to update your version. If you've never installed it, here's how.

Do You Need to install Java script?
You'd be surprised by the number of Web sites and programs that run Java. If you've done much Web surfing, or used many applications, chances are good that you've already got a version of Java installed on your computer. If you don't have Java installed already, you'll get a system prompt to install Java the first time you visit a Web page that uses it. You can follow your system prompts or browser prompts to install Java, but that doesn't always work. A more effective method is to install Java up front, so your computer already has the most updated version when it encounters Java for the first time.

Download the Latest Java Update
Start by downloading the latest Java update directly from Sun Microsystems. Some programs that require Java come packaged with a version of it, but it's always a good idea to get the most recent version directly from the source. You can find the most recent Java download at: http://www.java.com. Follow the download prompts to select the correct version of Java for your operating system.

Once your download is complete, run the Java program file. Double-click on the .exe file to begin the extraction, and follow the on-screen prompts to install the software. Once the software installation is complete, you may need to restart your browser; it's a good idea to do this anyway to ensure the new software takes effect. Follow the on-screen directions to complete the Java installation.

Delete Prior Versions
Because Java is such a prevalent runtime environment, most computers already have multiple versions of it installed on their hard drives. While there's no direct danger in having these older versions of Java installed, they do take up space, and they can cause some software conflicts, particularly for Windows Vista users. It's a good idea to delete these prior versions of Java once you've finished installing the most recent update.

To delete prior versions of Java, go to your Start Menu, choose Control Panel then choose the Add/Remove Software option. When the list populates, you'll see all the versions of Java that are currently installed on your system. Don't touch the most recent version that you just installed, but click on the prior versions and follow the system prompts to delete these programs. At the very least, you'll free up space; at most, you'll prevent potential conflicts.

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