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How to Upgrade Java on Your Computer

 
   

 

Before Installing or Upgrading Java on a Windows PC:

Please be sure that you first remove any old versions of Java by going to Control Panel, clicking on ADD/Remove Programs. We are happy to help you if you need assistance!

 

Overview

When installing or updating the Java platform on your computer, it's recommended that that you maintain a single version (the latest version) as multiple versions may adversely impact the operation of the TWS. Use the Java upgrade instructions (provided below) to learn how to uninstall old Java platforms which may already be on your computer and then how to easily install the latest Java Runtime Environment.

 


Section A - Remove all previous Java versions that might be installed on your PC:

  1. Click on the Start menu.
  2. Click on Control Panel.

Find my control panel

 

  1. Set the "View By" selector to "Category".
  2. Click on "Uninstall a program". On Windows XP this feature is called "Add or remove programs".

View Control Panel

 

  1. Find the first Java entry in the Installed Programs list
  2. Click on "Uninstall".  On Windows XP you need first to select the Java item from the list and then click on the button "Remove" which will appear on the right side of the selection box. If no Java items are listed, please skip steps from 6 to 11 and proceed directly to section B).

Uninstall Java Software

 

  1. You may now receive a message asking you to confirm your intention to uninstall the software. Confirm by clicking on OK.

Confirm Uninstall

 

  1. You may now receive a User Account Control warning message. In case your user has the required privileges, just confirm by clicking 'Yes' (8b). If you are logged in Windows with an user which does not have the privileges to install software, you will see in the same window, but as well the fields (8a) in which to enter the credentials of another user which has those privileges (usually 'Administrator'). Please enter the required credentials and then confirm with 'Yes' (8b)

View Warning Message     Add Credentials 

 

  1. The uninstall process will start. Java will be uninstalled and the related entry eventually removed from the Installed Programs list.
  2. Uninstall all the other Java platforms which may be present on the Installed Programs list. Uninstall them one after each other, repeating the steps from 5 to 9 up to the point when you will not see any more Java item listed among the Installed Programs.
  3. Restart your computer. This Step MUST be performed in order to clean up completely the system from the old Java files and registry entries which might have been in use during the uninstall process.

 


Section B - Install the newest version of the Java Runtime Environment:

 

In this tutorial we describe the installation using Internet Explorer which is the browser installed by default on every Windows computer. If you prefer to use another browser (such as: Mozilla Firefox, Opera, Google Chrome, Safari) please take into account that the disposition and/or the content of the messages appearing during the first 10 steps might slightly differ.

 

  1. Open the Internet Explorer Browser and type "http://www.oracle.com/technetwork/java/javase/downloads/index.html" in the address bar. Then press the "Enter" key on your keyboard. The page will load.

 

  1. In the first section on this page - "Java Platform, Standard Edition", locate the blue "Download" button under the title "JRE". At the time that the screenshots below were added the latest release version was 7u45. You may find a different, more recent, version number you visit this page. This does not represent an issue, since the page should provide only the latest release available, the one we need to install.

Download Java Platform

 

  1. Click on the radio button next to "Accept the License Agreement "
  2. Download the file correspondent to "Windows x86 Offline" which is the installer for the  32-bit JRE.        

 

Download the Java Installer File

 

  1. Choose "Run". The download will start.

    Start the Java Download

 

  1. Once finished you may receive a User Account Control warning message. In case your user has the required privileges, just confirm by clicking 'Yes' (6b). If you are logged in Windows with an user which does not have the privileges to install software, you will see in the same window, but as well the field (6a) where you should enter the credentials of another user which has those privileges (usually 'Administrator'). Please enter the required information and then confirm with 'Yes' (6b)

User Account Control Message     User Account Control Allow Add Credentials

During this phase you might receive as well additional warning message/s from your Antivirus or Internet Security System asking you to confirm your intention to open/execute the file or to confirm that it is safe to open the file. After having checked that the file which is supposed to be executed is indeed the one you downloaded from the Oracle Web Site, answer positively.

 

  1. Proceed with the 32-bit JRE Java installation, using the default parameters, by clicking on the button "Install". 
    Java Message     Installing Java

 

  1. Complete the installation by clicking on the "Close"button
    Successfully Installed Java

In case you have a 32-bit system, please skip steps from 9 to 13 and proceed directly to step 14. ONLY in case you use a 64-bit system, perform all the steps below:

 

  1. Download the .exe file correspondent to "Windows x64" which is the installer for the 64-bit JRE.

Download Java Installer File for 64 bit system

  • Choose "Run". The download will start.
    Run Download

 

  1. You may receive a User Account Control warning message. In case your user has the required privileges, just confirm by clicking 'Yes' (11b). If you are logged on Windows with an user which does not have the privileges to install software, you will see in the same window, but as well the field (11a) where you should enter the credentials of another user which has those privileges (usually 'Administrator'). Please enter the required credentials and then confirm with 'Yes' (11b)
    User Account Message     Add User Account Control Credentials

 

During this phase you might receive as well additional warning message/s from your Antivirus or Internet Security System asking you to confirm your intention to open/execute the file or to confirm that it is safe to open the file. After having checked that the file which is supposed to be executed is indeed the one you downloaded from the Oracle Web Site. Confirm by clicking on Yes.

 

  1. Proceed with the 64-bit JRE installation, using the default parameters.
    Proceed with 64 bit JRE installation     Install Java 64 bit

 

  1. Complete the installation by clicking on the button "Close".
    Successfully Installed Java 64 bit

 

  1. Please restart your computer. This Step MUST be performed in order to properly set up all the new Java components!

 

 


 

 

Upgrading Java and Safari on a Macintosh

 

How to Upgrade Java and Safari on a Macintosh

 


1. Click on Check Now.

2. Click on the apple in the upper-left-hand corner of the screen.

3. Click on System Preferences.

4. Select Software Update.

Important Note:
This will show you a list of all available updates for your installed software on OS X. It is strongly recommended that you do all of the updates available from Apple and keep updated regularly. This is an integral step to keeping your software supported by Apple and PT.

 

 

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