windows-itpro-docs/browsers/internet-explorer/ie11-deploy-guide/what-is-the-internet-explorer-11-blocker-toolkit.md
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---
localizationpriority: low
ms.mktglfcycl: support
ms.pagetype: security
description: How to download and use the Internet Explorer 11 Blocker Toolkit to turn off the automatic delivery of IE11 through the Automatic Updates feature of Windows Update.
author: eross-msft
ms.prod: ie11
ms.assetid: fafeaaee-171c-4450-99f7-5cc7f8d7ba91
title: What is the Internet Explorer 11 Blocker Toolkit? (Internet Explorer 11 for IT Pros)
ms.sitesec: library
---
# What is the Internet Explorer 11 Blocker Toolkit?
**Applies to:**
- Windows 10
- Windows 8.1
- Windows 7
- Windows Server 2012 R2
- Windows Server 2008 R2 with Service Pack 1 (SP1)
The Internet Explorer 11 Blocker Toolkit lets you turn off the automatic delivery of IE11 through the **Automatic Updates** feature of Windows Update.
**Important**<br>
The IE11 Blocker Toolkit doesn't stop users from manually installing IE11 from the [Microsoft Download Center](https://go.microsoft.com/fwlink/p/?linkid=327753). Also, even if you've installed previous versions of the toolkit before, like for Internet Explorer 10, you still need to install this version to prevent the installation of IE11.
![](images/wedge.gif) **To install the toolkit**
1. Download the IE11 Blocker Toolkit from [Toolkit to Disable Automatic Delivery of Internet Explorer 11](https://go.microsoft.com/fwlink/p/?LinkId=327745).
2. Accept the license agreement and store the included 4 files on your local computer.
3. Start an elevated Command Prompt by going to **Start**&gt;**All Programs**&gt;**Accessories**&gt; right-clicking on **Command Prompt**, and then choosing **Run as Administrator**.
4. In the Command Prompt, change to the location where you put the 4 files.
5. In the Command Prompt, type `ie11_blocker.cmd /B` and press Enter.<p>
Wait for the message, **Blocking deployment of IE11 on the local machine. The operation completed successfully.**
6. Close the Command Prompt.
For answers to frequently asked questions, see [Internet Explorer 11 Blocker Toolkit: Frequently Asked Questions](https://go.microsoft.com/fwlink/p/?LinkId=314063).