Download Debian 9.5(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 9.5. The last update to this release was made on July 14th, 2018. 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

[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.

RSS

Security Advisories

[31 Aug 2018] DSA-4283 ruby-json-jwt - security update
[31 Aug 2018] DSA-4282 trafficserver - security update
[29 Aug 2018] DSA-4281 tomcat8 - security update
[22 Aug 2018] DSA-4280 openssh - security update
[20 Aug 2018] DSA-4279 linux - security update
[19 Aug 2018] DSA-4278 jetty9 - security update
[17 Aug 2018] DSA-4277 mutt - security update
[17 Aug 2018] DSA-4276 php-horde-image - security update
[16 Aug 2018] DSA-4275 keystone - security update
[16 Aug 2018] DSA-4274 xen - security update
[16 Aug 2018] DSA-4273 intel-microcode - 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.