Installing Debian 12.5

To install Debian 12.5 (bookworm), download any of the following images (all i386 and amd64 CD/DVD images can be used on USB sticks too):

Blu-ray (via jigdo)

other images (netboot, flexible usb stick, etc.)



If you read only one document before installing, read our Installation Howto, a quick walkthrough of the installation process. Other useful documentation includes:


This is a list of known problems in the installer shipped with Debian 12.5. If you have experienced a problem installing Debian and do not see your problem listed here, please send us an installation report describing the problem or check the wiki for other known problems.

Errata for release 12.0

Improved versions of the installation system are being developed for the next Debian release, and can also be used to install bookworm. For details, see the Debian-Installer project page.