Download Debian 9.1(64-bit PC Network installer)

Debian

Debian is a free operating system (OS) for your computer. An operating system is the set of basic programs and utilities that make your computer run.

Debian provides more than a pure OS: it comes with over 51000 packages, precompiled software bundled up in a nice format for easy installation on your machine. Read more...

The latest stable release of Debian is 9.1. The last update to this release was made on July 22nd, 2017. Read more about available versions of Debian.

Getting Started

If you'd like to start using Debian, you can easily obtain a copy, and then follow the installation instructions to install it.
If you're upgrading to the latest stable release from a previous version, please read the release notes before proceeding.
To get help in using or setting up Debian, see our documentation and support pages.
Users that speak languages other than English should check the international section.
People who use systems other than Intel x86 should check the ports section.

RSS

News

[22 Jul 2017] Updated Debian 9: 9.1 released
[22 Jul 2017] Updated Debian 8: 8.9 released
[18 Jun 2017] Debian Edu / Skolelinux Stretch — a complete Linux solution for your school
[17 Jun 2017] Debian 9 Stretch released
[06 May 2017] Updated Debian 8: 8.8 released
[25 Apr 2017] Shutting down public FTP services

For older news items see the News Page. If you would like to receive mail whenever new Debian news comes out, subscribe to the debian-announce mailing list.

RSS

Security Advisories

[21 Jul 2017] DSA-3916 atril - security update
[20 Jul 2017] DSA-3915 ruby-mixlib-archive - security update
[18 Jul 2017] DSA-3914 imagemagick - security update
[18 Jul 2017] DSA-3913 apache2 - security update
[16 Jul 2017] DSA-3912 heimdal - security update
[14 Jul 2017] DSA-3911 evince - security update
[14 Jul 2017] DSA-3910 knot - security update
[14 Jul 2017] DSA-3909 samba - security update
[12 Jul 2017] DSA-3908 nginx - security update
[11 Jul 2017] DSA-3907 spice - security update
[11 Jul 2017] DSA-3906 undertow - security update
[09 Jul 2017] DSA-3905 xorg-server - security update

For older security advisories see the Security Page. If you would like to receive security advisories as soon as they're announced, subscribe to the debian-security-announce mailing list.