Welcome to the Java installation guide for
To allow you to view and interact with your design in 3D Opun Planner
uses a Java applet. There
are lots of applications and websites that won't work unless you
have Java installed, and more are created every day. Java is
fast, secure, and reliable. From laptops to datacenters, game
consoles to scientific supercomputers, cell phones to the
Internet, Java is everywhere! Which is why we've decided to use
it to power our planner. Also its free to download, which in our
eyes is always good. If you would like to know
more about Java click here.
This page is designed to show you step by step how to install
Java on your PC or laptop. Click here to go to the Java
website. This will open Java.com in a new window so you can
refer back to these instructions as you need too.
When you reach the site click on .
This will automatically check your machine for any Java
If you already have Java installed but are not on the latest
version click here.
If no version of Java is detected just follow the step by step
Click on Download Java Now.
You will need to accept and download the latest version of
You will then need to run the installation.
Depending on the browser that you use you will be prompted to
do this in different ways.
Either select your browser
or scroll down to the browser you are using.
users a download manager will open at the bottom of the
page. Click on Run to begin the installation.
For Mozilla Firefox
users you will first be prompted to save a file. Click
save file, then double click on the 'jpiinstall.exe'
that shows in the download manager to run the
For Google Chrome users
the download manager will appear at the bottom of your browser
window with the name of the installation to the lefthand side.
You will need to click on the small small arrow next to the file
name and then select open. this will start the download.
You will now see the Java Setup welcome box. Click on Install.
If you do not want to make Ask your default
toolbar and search provider make sure the box remains
A progress bar will appear to show that the
installation is downloading. This may be very quick or
may take a few minutes depending on the speed of your
Once the download is complete you will receive the
Before you can run Opun Planner you will need to make one
change to the settings of Java. This is a temporary issue that
we hope will be resolved in the next Java update .