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

[12 Aug 2017] DebConf17 closes in Montreal and DebConf18 dates announced
[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

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

[08 Sep 2017] DSA-3967 mbedtls - security update
[05 Sep 2017] DSA-3966 ruby2.3 - security update
[05 Sep 2017] DSA-3965 file - security update
[04 Sep 2017] DSA-3964 asterisk - security update
[04 Sep 2017] DSA-3963 mercurial - security update
[03 Sep 2017] DSA-3962 strongswan - security update
[03 Sep 2017] DSA-3961 libgd2 - security update
[01 Sep 2017] DSA-3960 gnupg - security update
[29 Aug 2017] DSA-3959 libgcrypt20 - security update
[29 Aug 2017] DSA-3958 fontforge - security update
[28 Aug 2017] DSA-3957 ffmpeg - security update
[27 Aug 2017] DSA-3956 connman - security update
[26 Aug 2017] DSA-3955 mariadb-10.1 - 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.