Download Debian 9.4(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 9.4. The last update to this release was made on March 10th, 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

[10 Mar 2018] Updated Debian 9: 9.4 released
[09 Dec 2017] Updated Debian 8: 8.10 released
[09 Dec 2017] Updated Debian 9: 9.3 released
[07 Oct 2017] Updated Debian 9: 9.2 released
[12 Aug 2017] DebConf17 closes in Montreal and DebConf18 dates announced
[22 Jul 2017] Updated Debian 9: 9.1 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

[22 Mar 2018] DSA-4149 plexus-utils2 - security update
[22 Mar 2018] DSA-4148 kamailio - security update
[21 Mar 2018] DSA-4147 polarssl - security update
[20 Mar 2018] DSA-4146 plexus-utils - security update
[18 Mar 2018] DSA-4145 gitlab - security update
[17 Mar 2018] DSA-4144 openjdk-8 - security update
[17 Mar 2018] DSA-4143 firefox-esr - security update
[17 Mar 2018] DSA-4142 uwsgi - security update
[16 Mar 2018] DSA-4141 libvorbisidec - security update
[16 Mar 2018] DSA-4140 libvorbis - security update
[15 Mar 2018] DSA-4139 firefox-esr - security update
[15 Mar 2018] DSA-4138 mbedtls - security update
[14 Mar 2018] DSA-4137 libvirt - security update
[14 Mar 2018] DSA-4136 curl - security update
[13 Mar 2018] DSA-4135 samba - security update
[10 Mar 2018] DSA-4134 util-linux - 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.