Download Debian 9.8(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 9.8. The last update to this release was made on February 16th, 2019. Read more about available versions of Debian.

Getting Started


[16 Feb 2019] Updated Debian 9: 9.8 released
[23 Jan 2019] Updated Debian 9: 9.7 released
[10 Nov 2018] Updated Debian 9: 9.6 released
[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

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

[16 Feb 2019] DSA-4392 thunderbird - security update
[14 Feb 2019] DSA-4391 firefox-esr - security update
[12 Feb 2019] DSA-4390 flatpak - security update
[11 Feb 2019] DSA-4389 libu2f-host - security update
[10 Feb 2019] DSA-4388 mosquitto - security update
[09 Feb 2019] DSA-4387 openssh - security update
[06 Feb 2019] DSA-4386 curl - security update
[05 Feb 2019] DSA-4385 dovecot - security update
[04 Feb 2019] DSA-4384 libgd2 - security update
[03 Feb 2019] DSA-4383 libvncserver - 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.