Windows users are advised to uninstall all versions of Java before proceeding with the instructions below.

Uninstalling old versions of Java

Windows 7 and Vista

Click Start Select Control Panel Select Programs Click Programs and Features Select the program you want to uninstall by clicking on it, and then click the Uninstall button. Click Yes to remove the application. You may need administrator privileges to remove programs. If a window labeled User Account Control pops up, proceed by clicking Yes.

Repeat steps 5 - 7 for each old version of Java on your computer.

Close the Control Panel when you are finished

Windows 8

Windows Key + X brings up a menu which includes the Control Panel

Follow steps 3- 8 from the instructions for Windows 7/ Vista

Windows XP - Uninstall Programs

Click on your Start button Select Control Panel Click Add/Remove Programs The Add/Remove Control Panel displays a list of software on your system including any Java software products that are on your computer. Select the one you want to uninstall by clicking on it. Then click the Remove button.

Repeat step 4 for each old version of Java on your computer.

Close the Control Panel when you are finished

To install/update Java

Click here to get the Java Installer. The link leads to a page which downloads an .exe file named Ninite Java Installer.exe. This exe file is safe to use and should have an icon that looks like the following image:

Double click on the installer. Depending on your computer’s User Account Control settings you may see a popup like the following: