This is a beta version of the Installation Guide for Debian GNU/Linux 5.0, codename lenny, which isn't released yet. The information presented here might be outdated and/or incorrect because of changes to the installer. You might be interested in the Installation Guide for Debian GNU/Linux 4.0, codename etch, which is the latest released version of Debian; or in the Development version of the Installation Guide, which is the most up-to-date version of this document.
Installation instructions, along with downloadable files, are available for each of the supported architectures:
If you have set your browser's localization properly, you can use the above link to get the right HTML version automatically — see content negotiation. Otherwise, pick the exact architecture, language, and format you want from the table below.