Type in cmd to open a command console window.Select the Start menu button and select Run. Let test if Java is properly installed.Append the folder where you've installed J2SE Development Kit 5.0 + in.Select Path in the System variables and select the Edit.Select the Advanced tab and select the Environment Variables.Select the Start menu and select Settings- Control Panel. After installing JDK and JRE, it is convenient to set the environmental variable so we will be able to execute Java directly from the command console.After the installation is completed, select the Finish button.This may take several minutes depending on your computer. J2SE Runtime Environment will be installed.Uncheck Microsoft Internet Explorer to not install Java plug-in in Microsoft Internet Explorer.Verify that the Install to: folder has changed and select the Next button.Delete 'Programs Files' from the Folder name: and select the OK button.Change the Install to: directory to match the J2SE Development Kit 5.0 directory. After J2SE Development Kit 5.0 is installed, J2SE Runtime Environment 5.0 is installed.This will take few minutes depending on your computer. Verify that the Install to: directory has changed.Change 'Folder name' to directory create 'Java' directory in the root directory by deleting 'Programs Files'.

To change the default installation directory, select the Change. I prefer to install Java directly under the root directory. In most system, this will be the 'C' drive.

The default installation directory is in the 'Program Files' directory in system drive (In the sample screen below, Windows is installed in the 'D' drive.

Select I accept the terms in the license agreement radio button and.

Execute the downloaded file jdk-1_5_0_05-windows-i586-p.exe.

Download Sun JDK5.0 from Sun Java J2SE 5.0 Download page.

Jre 1.5 install