Windows ADK (Assessment and Deployment Kit)
v10.1.26100.9457 (September 2026); 10.1.28000.3481 for Windows 11 26H1Free
Deployment and imaging tools (DISM, USMT, Windows PE, WSIM) for IT pros. By Microsoft Corporation
- Windows
By the ToolsBharat teamLink checked 30 Oct 2026How we check
Quick answer
Windows ADK (Assessment and Deployment Kit) is free software for Windows from Microsoft Corporation. Deployment and imaging tools (DISM, USMT, Windows PE, WSIM) for IT pros. Download it only from learn.microsoft.com. The latest version we track is 10.1.26100.9457 (September 2026); 10.1.28000.3481 for Windows 11 26H1. ToolsBharat links straight to the publisher's own download page, with no bundled offers.
- Latest version:
- 10.1.26100.9457 (September 2026); 10.1.28000.3481 for Windows 11 26H1
- Publisher:
- Microsoft Corporation
- Official site:
- learn.microsoft.com
- Licence:
- Free — Proprietary — free
- Requirements:
- Windows 10 / 11, Windows Server
Our verdict
IT teams and system builders use the ADK to customise and deploy Windows images. It includes the Windows Performance Toolkit, USMT for migrating user data, VAMT for volume activation and Windows System Image Manager for answer files. Windows PE comes as a separate add-on you install afterwards. Pick the ADK that matches the newest Windows you deploy: 10.1.26100.9457 covers Windows 11 up to 26H2 and Server 2025, while a separate 10.1.28000 kit covers Windows 11 26H1.
Key features
- Deployment tools such as Sysprep for customising Windows images
- Windows PE add-on (separate download)
- User State Migration Tool and Volume Activation Management Tool
- Windows Performance Toolkit and Assessment Toolkit
Pros
- Pro: Official and free
- Pro: Regularly serviced with security patches
- Pro: Offline and silent install options
Cons
- Con: Aimed at IT professionals
- Con: Several kit versions; you must pick the right one
- Con: No 32-bit Windows PE for Windows 11
What's new in 10.1.26100.9457 (September 2026); 10.1.28000.3481 for Windows 11 26H1
See what changed in 10.1.26100.9457 (September 2026); 10.1.28000.3481 for Windows 11 26H1 in the official release notes
Version history
Version 10.1.26100.9457 (September 2026); 10.1.28000.3481 for Windows 11 26H1Latest
date not stated- SHA-256
- The developer does not publish one
- Source
- Release notes
Requirements
- OS
- Windows 10 / 11, Windows Server
- Architecture
- 64-bit
Licence
- Type
- Free
- Licence
- Proprietary — free
- Publisher
- learn.microsoft.com
Where these facts come from
Checked 30 Oct 2026
FAQ
Do I need the Windows PE add-on?
Yes, if you want to build WinPE boot media. Since Windows 10 version 1809, Microsoft ships Windows PE as a separate add-on that you install after the ADK.
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Alternatives
Windows ADK (Assessment and Deployment Kit)
10.1.26100.9457 (September 2026); 10.1.28000.3481 for Windows 11 26H1 · Not stated