Get AOS

The Adelon Operating System (AOS) is free to download. Try it live from a USB stick before you install.

Latest release

AOS 0.4.25

2026-10-26 · x86-64 · 1.03 GB

Download ISO

AlphaHardware support is still growing, and installing erases the whole disk. Read the known issues first.

What you need

PC
64-bit Intel or AMD, about 2012 or newer, with UEFI
Graphics
Intel or AMD; NVIDIA from the RTX 20 series
USB stick
2 GB or more — it is erased
Disk
16 GB or more — it is erased completely

Four steps

  1. 1

    Download and check

    Get the ISO and verify its signature, below.

  2. 2

    Write it to a stick

    On Linux with dd, on Windows or macOS with balenaEtcher or Rufus in DD mode.

  3. 3

    Boot the stick

    Open your PC's boot menu (Esc, F8, F9 or F12) and pick the stick's UEFI entry. With Secure Boot on, enrol the AOS key once when asked.

  4. 4

    Try it, then install

    The live desktop runs from the stick. When you're happy, the installer sets up the disk in about twenty minutes.

Verify the download

Every release is signed. Download SHA256SUMS, SHA256SUMS.minisig and the key apm.pub next to the ISO, then:

minisign -Vm SHA256SUMS -p apm.pub
sha256sum -c --ignore-missing SHA256SUMS

If either check fails, don't use the file. Key id CA2811A314D6EB0C.