How to use this document

This document provides procedures for three main installation scenarios:

"Basic" installation
This scenario allows you to install a single version of XL C/C++ to a default location. This scenario is applicable to the majority of users, and is the recommended method of installing the product. For an overview of the steps that you need to follow to perform a basic installation, refer to Tasks for basic installation, which provides links to the relevant procedures in this guide.
"Advanced" installation
This scenario allows you to maintain multiple versions of XL C/C++ on a single system, or to install the product to a non-default location. This scenario is only applicable to advanced users, who have specialized needs; it is not recommended for the majority of users. For an overview of the steps that you need to follow to perform an advanced installation, refer to Tasks for advanced installation, which provides links to the relevant procedures in this guide.
"Update" installation
This scenario applies to users who have obtained an update package for an existing XL C/C++ V8.0 basic or advanced installation. For an overview of the steps that you need to follow to perform an update, refer to Tasks for basic installation or Tasks for advanced installation, depending on the type of installation you need to update.

For highly specialized installation scenarios that are outside the scope of this document, refer to Technotes at http://www.ibm.com/software/awdtools/xlcpp/support.