ISO injection

Inject the Atlas Playbook into a Windows ISO to create preconfigured installation media. Use this experimental method only if you are comfortable reinstalling and troubleshooting Windows.

Experimental

ISO injection is available in current Atlas 0.5.x Playbooks, but it is still experimental. Previous Atlas versions may not support it. Report any bugs on our Issue Tracker.

Support

We only offer support for Atlas Playbook on the latest, non-beta Windows 11. For older or unsupported versions, follow our installation guide to get the latest release.

Step 1: Download Windows ISO

Download the Windows ISO that matches your CPU architecture.

Which version?

For AMD and Intel CPUs, download the x86_64 (x64) version. For Qualcomm Snapdragon or other supported ARM SoCs, download the ARM64 version. Check your CPU architecture .

Architecture

Which should I download?

Intel/AMD CPUs use x64. ARM (Snapdragon) systems use ARM64.

To check your system: open Settings → System → About and look at System type. See how to check your CPU architecture for more detail.

Step 2: Inject the playbook

  1. Go to atlasos.net, click Get started, then Already following the guide?
  2. Download Atlas Playbook and AME Beta, then extract both to your desktop
  3. Open AME Beta.exe. If SmartScreen warns, see AME Beta deleted. Click More info and Run anyway
  4. Click Updates and confirm AME Beta is up to date
  5. Drag your downloaded ISO into AME Beta, then drag Atlas Playbook.apbx from your desktop
  6. Select the Windows 11 ISO from the left, click Select a playbook to modify, confirm AtlasOS is selected, then OK
  7. Click Next and configure options as you would for a normal playbook install. Keep Include additional network drivers selected when prompted
  8. When asked for username and password, enter them and click Next (leave password empty if you prefer none)
  9. Wait for the injection to finish

Step 3: Reinstall Windows

Back up all important data to external or cloud storage before you reinstall Windows.

Choose this method if: You already run Windows. This method does not work from Linux.

Windows.old

If the drive has enough free space, Windows Setup saves your previous installation in Windows.old. Recover the files you need, then delete the folder. See cleanup below .
  1. Disconnect internet - Unplug ethernet, disable Wi-Fi. Do not reconnect until instructed.
  2. Mount the ISO:
    • Right-click the injected ISO then Open With then File Explorer
    • Open This PC and note the drive letter (e.g., H)
  3. Launch Windows Setup:
    • Press Win + R to open the Run dialog
    • Type: H:\sources\setup.exe (replace H with your drive letter)
    • Press Enter then Accept UAC prompt

BitLocker message?

If Windows Setup tells you to suspend BitLocker, follow the BitLocker instructions , then retry from step 3.
  1. Complete Windows Setup:
    • Select No thanks when prompted for updates
    • Uncheck "I want to help make Windows installation better"
    • Click I don't have a product key (Windows should auto-activate later)
    • Choose Windows Pro (or Pro for Workstations/Enterprise)
    • Accept the license then Custom: Install Windows only (advanced)
    • Select your Windows drive then Next then OK (Windows.old warning)
    • Wait for installation to finish

Step 4: Post-install

Complete Windows setup: Follow AME’s on-screen setup instructions. Connect to the internet when prompted, then wait for the new-user script to finish.

Remove Windows.old: If Windows Setup kept your previous installation, recover any files you need from Windows.old, then remove the folder:

  1. Open Windows Settings then System then Storage
  2. Click Temporary files and wait for the scan
  3. Select Previous version of Windows, then click Remove files