Java Runtime Environment (JRE) is a software package that includes everything required to run Java-based applications on computers running Windows operating systems. It consists of the JVM along with several other libraries necessary for running Java applet files.

## Downloading JRE 6 Update 6

To download the latest version of Java Runtime Environment, follow these steps:

1. Go to the official Oracle website at 'www.oracle.com/java/'(http://www.oracle.com/java/).

2. Click on 'Download' located near the top right corner.

3. Choose your operating system from the drop-down menu (in this case, select 'Windows').

4. Select whether you want a 32-bit or 64-bit version based on your computer's architecture.

## Installing JRE

1. Once the download is complete, double-click on the downloaded .exe file to start installation.

2. Follow the wizard prompts and agree to terms of service when prompted.

3. Choose where you would like to install Java by clicking 'Next'.

4. Select whether or not to check for updates before closing.

## System Requirements

Before installing JRE 6 Update 6, ensure your computer meets these minimum system requirements:

- Operating System: Windows XP Service Pack (SP2) or later

- Processor Speed: Pentium II or higher recommended

- RAM Memory: 128 MB of free space required; 256MB strongly recommended

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