Download Debian 9.1(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 9.1. The last update to this release was made on July 22nd, 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

[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
[18 Jun 2017] Debian Edu / Skolelinux Stretch — a complete Linux solution for your school
[17 Jun 2017] Debian 9 Stretch released
[06 May 2017] Updated Debian 8: 8.8 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

[26 Aug 2017] DSA-3955 mariadb-10.1 - security update
[25 Aug 2017] DSA-3954 openjdk-7 - security update
[23 Aug 2017] DSA-3953 aodh - security update
[23 Aug 2017] DSA-3952 libxml2 - security update
[22 Aug 2017] DSA-3951 smb4k - security update
[21 Aug 2017] DSA-3950 libraw - security update
[21 Aug 2017] DSA-3949 augeas - security update
[19 Aug 2017] DSA-3948 ioquake3 - security update
[18 Aug 2017] DSA-3947 newsbeuter - security update
[18 Aug 2017] DSA-3946 libmspack - security update
[17 Aug 2017] DSA-3945 linux - security update
[17 Aug 2017] DSA-3944 mariadb-10.0 - security update
[14 Aug 2017] DSA-3943 gajim - 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.