Download Debian 9.3(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 9.3. The last update to this release was made on December 9th, 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

[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
[22 Jul 2017] Updated Debian 8: 8.9 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

[12 Dec 2017] DSA-4064 chromium-browser - security update
[11 Dec 2017] DSA-4063 pdns-recursor - security update
[10 Dec 2017] DSA-4062 firefox-esr - security update
[10 Dec 2017] DSA-4061 thunderbird - security update
[09 Dec 2017] DSA-4060 wireshark - security update
[08 Dec 2017] DSA-4059 libxcursor - security update
[08 Dec 2017] DSA-4058 optipng - security update
[08 Dec 2017] DSA-4057 erlang - security update
[07 Dec 2017] DSA-4056 nova - security update
[07 Dec 2017] DSA-4055 heimdal - security update
[03 Dec 2017] DSA-4054 tor - security update
[30 Nov 2017] DSA-4053 exim4 - security update
[29 Nov 2017] DSA-4052 bzr - security update
[29 Nov 2017] DSA-4051 curl - security update
[28 Nov 2017] DSA-4050 xen - 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.