Eclipse Installation

Step 1. Install java JDK
http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html

Step 2.  install eclipse.

For windows 64 bits machine:
http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html   Windows x64   169.62 MB
http://www.oracle.com/ocom/groups/public/@otn/documents/digitalasset/115899.gif jdk-8u25-windows-x64.exe

https://www.eclipse.org/downloads/download.php?file=/technology/epp/downloads/release/luna/SR1a/eclipse-java-luna-SR1a-win32-x86_64.zip

For windows 32 bits machine:
http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html  Windows x86  157.26 MB
http://www.oracle.com/ocom/groups/public/@otn/documents/digitalasset/115899.gif jdk-8u25-windows-i586.exe

https://www.eclipse.org/downloads/download.php?file=/technology/epp/downloads/release/luna/SR1a/eclipse-java-luna-SR1a-win32.zip

for mac os x 64 bit:
http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
https://www.eclipse.org/downloads/download.php?file=/technology/epp/downloads/release/luna/SR1a/eclipse-java-luna-SR1a-macosx-cocoa-x86_64.tar.gz