Debian GNU/Linux lenny -- Installation Guide

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.

Architecture Format Languages
Alpha HTML Catalan Chinese (China) Czech English Finnish French German Greek Italian Japanese Korean Portuguese Portuguese (Brazilian) Russian Spanish Swedish Vietnamese
  plain text Catalan Chinese (China) Czech English Finnish French German Greek Italian Japanese Korean Portuguese Portuguese (Brazilian) Russian Spanish Swedish Vietnamese
  PDF Catalan Czech English Finnish French German Italian Korean Portuguese Portuguese (Brazilian) Russian Spanish Swedish
64-bit PC (amd64) HTML Catalan Chinese (China) Czech English Finnish French German Greek Italian Japanese Korean Portuguese Portuguese (Brazilian) Russian Spanish Swedish Vietnamese
  plain text Catalan Chinese (China) Czech English Finnish French German Greek Italian Japanese Korean Portuguese Portuguese (Brazilian) Russian Spanish Swedish Vietnamese
  PDF Catalan Czech English Finnish French German Italian Korean Portuguese Portuguese (Brazilian) Russian Spanish Swedish
ARM HTML Catalan Chinese (China) Czech English Finnish French German Greek Italian Japanese Korean Portuguese Portuguese (Brazilian) Russian Spanish Swedish Vietnamese
  plain text Catalan Chinese (China) Czech English Finnish French German Greek Italian Japanese Korean Portuguese Portuguese (Brazilian) Russian Spanish Swedish Vietnamese
  PDF Catalan Czech English Finnish French German Italian Korean Portuguese Portuguese (Brazilian) Russian Spanish Swedish
HP PA-RISC HTML Catalan Chinese (China) Czech English Finnish French German Greek Italian Japanese Korean Portuguese Portuguese (Brazilian) Russian Spanish Swedish Vietnamese
  plain text Catalan Chinese (China) Czech English Finnish French German Greek Italian Japanese Korean Portuguese Portuguese (Brazilian) Russian Spanish Swedish Vietnamese
  PDF Catalan Czech English Finnish French German Italian Korean Portuguese Portuguese (Brazilian) Russian Spanish Swedish
32-bit PC (i386) HTML Catalan Chinese (China) Czech English Finnish French German Greek Italian Japanese Korean Portuguese Portuguese (Brazilian) Russian Spanish Swedish Vietnamese
  plain text Catalan Chinese (China) Czech English Finnish French German Greek Italian Japanese Korean Portuguese Portuguese (Brazilian) Russian Spanish Swedish Vietnamese
  PDF Catalan Czech English Finnish French German Italian Korean Portuguese Portuguese (Brazilian) Russian Spanish Swedish
Intel Itanium IA-64 HTML Catalan Chinese (China) Czech English Finnish French German Greek Italian Japanese Korean Portuguese Portuguese (Brazilian) Russian Spanish Swedish Vietnamese
  plain text Catalan Chinese (China) Czech English Finnish French German Greek Italian Japanese Korean Portuguese Portuguese (Brazilian) Russian Spanish Swedish Vietnamese
  PDF Catalan Czech English Finnish French German Italian Korean Portuguese Portuguese (Brazilian) Russian Spanish Swedish
MIPS (big endian) HTML Catalan Chinese (China) Czech English Finnish French German Greek Italian Japanese Korean Portuguese Portuguese (Brazilian) Russian Spanish Swedish Vietnamese
  plain text Catalan Chinese (China) Czech English Finnish French German Greek Italian Japanese Korean Portuguese Portuguese (Brazilian) Russian Spanish Swedish Vietnamese
  PDF Catalan Czech English Finnish French German Italian Korean Portuguese Portuguese (Brazilian) Russian Spanish Swedish
MIPS (little endian) HTML Catalan Chinese (China) Czech English Finnish French German Greek Italian Japanese Korean Portuguese Portuguese (Brazilian) Russian Spanish Swedish Vietnamese
  plain text Catalan Chinese (China) Czech English Finnish French German Greek Italian Japanese Korean Portuguese Portuguese (Brazilian) Russian Spanish Swedish Vietnamese
  PDF Catalan Czech English Finnish French German Italian Korean Portuguese Portuguese (Brazilian) Russian Spanish Swedish
PowerPC HTML Catalan Chinese (China) Czech English Finnish French German Greek Italian Japanese Korean Portuguese Portuguese (Brazilian) Russian Spanish Swedish Vietnamese
  plain text Catalan Chinese (China) Czech English Finnish French German Greek Italian Japanese Korean Portuguese Portuguese (Brazilian) Russian Spanish Swedish Vietnamese
  PDF Catalan Czech English Finnish French German Italian Korean Portuguese Portuguese (Brazilian) Russian Spanish Swedish
IBM S/390 HTML Catalan Chinese (China) Czech English Finnish French German Greek Italian Japanese Korean Portuguese Portuguese (Brazilian) Russian Spanish Swedish Vietnamese
  plain text Catalan Chinese (China) Czech English Finnish French German Greek Italian Japanese Korean Portuguese Portuguese (Brazilian) Russian Spanish Swedish Vietnamese
  PDF Catalan Czech English Finnish French German Italian Korean Portuguese Portuguese (Brazilian) Russian Spanish Swedish
SPARC HTML Catalan Chinese (China) Czech English Finnish French German Greek Italian Japanese Korean Portuguese Portuguese (Brazilian) Russian Spanish Swedish Vietnamese
  plain text Catalan Chinese (China) Czech English Finnish French German Greek Italian Japanese Korean Portuguese Portuguese (Brazilian) Russian Spanish Swedish Vietnamese
  PDF Catalan Czech English Finnish French German Italian Korean Portuguese Portuguese (Brazilian) Russian Spanish Swedish