Before installing Eclipse, make sure that you have JavaTM Runtime (JRE) version 1.5.0 (or newer) installed on your PC.
JavaTM Runtime version 1.5.0 (or newer) can be downloaded from http://java.sun.com/downloads/index.html (JRE is included in J2SE).
Note: JRE must be installed on your computer with administrator rights. Otherwise the PATH environment variable is not set correctly.
Go to the Eclipse download website at http://www.eclipse.org/downloads/.
Download the Eclipse SDK zip file to your PC.
Extract the contents of the downloaded zip file to a location of your choice on your PC.
The recommended way to install Eclipse is to extract the zip file contents
to the root of your C: drive. in this case the Eclipse
working directory will be C:\eclipse.
When extracting the contents of the zip file make sure that Use folder names is checked to preserve the directory structure of Eclipse.
The installation is completed when you run eclipse.exe for
the first time.
For more information about Eclipse, please refer to, for example, the Eclipse FAQ website at http://wiki.eclipse.org/index.php/Eclipse_FAQs.