Download Debian 9.5(64-bit PC Network installer)


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 9.5. The last update to this release was made on July 14th, 2018. Read more about available versions of Debian.

Getting Started


[05 Aug 2018] DebConf18 closes in Hsinchu and DebConf19 dates announced
[14 Jul 2018] Updated Debian 9: 9.5 released
[23 Jun 2018] Updated Debian 8: 8.11 released
[01 Jun 2018] Debian 7 Long Term Support reaching end-of-life
[10 Mar 2018] Updated Debian 9: 9.4 released
[09 Dec 2017] Updated Debian 8: 8.10 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.

Security Advisories

[22 Sep 2018] DSA-4301 mediawiki - security update
[22 Sep 2018] DSA-4300 libarchive-zip-perl - security update
[20 Sep 2018] DSA-4298 hylafax - security update
[19 Sep 2018] DSA-4297 chromium-browser - security update
[16 Sep 2018] DSA-4296 mbedtls - security update
[16 Sep 2018] DSA-4295 thunderbird - security update
[16 Sep 2018] DSA-4294 ghostscript - security update
[14 Sep 2018] DSA-4293 discount - security update
[11 Sep 2018] DSA-4292 kamailio - security update
[11 Sep 2018] DSA-4291 mgetty - security update
[10 Sep 2018] DSA-4290 libextractor - 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.