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

[30 Sep 2017] DSA-3988 libidn2-0 - security update
[29 Sep 2017] DSA-3987 firefox-esr - security update
[29 Sep 2017] DSA-3986 ghostscript - security update
[28 Sep 2017] DSA-3985 chromium-browser - security update
[26 Sep 2017] DSA-3984 git - security update
[22 Sep 2017] DSA-3983 samba - security update
[21 Sep 2017] DSA-3982 perl - security update
[20 Sep 2017] DSA-3981 linux - security update
[20 Sep 2017] DSA-3980 apache2 - security update
[19 Sep 2017] DSA-3979 pyjwt - security update
[18 Sep 2017] DSA-3978 gdk-pixbuf - security update
[18 Sep 2017] DSA-3977 newsbeuter - security update
[17 Sep 2017] DSA-3976 freexl - 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.