windows-itpro-docs/windows/deployment/volume-activation/appendix-information-sent-to-microsoft-during-activation-client.md
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---
title: Appendix Information sent to Microsoft during activation (Windows 10)
ms.assetid: 4bfff495-07d0-4385-86e3-7a077cbd64b8
ms.reviewer:
manager: laurawi
ms.author: greglin
description:
keywords: vamt, volume activation, activation, windows activation
ms.prod: w10
ms.mktglfcycl: deploy
ms.sitesec: library
ms.pagetype: activation
audience: itpro
author: greg-lindsay
ms.localizationpriority: medium
ms.date: 07/27/2017
ms.topic: article
---
# Appendix: Information sent to Microsoft during activation
**Applies to**
- Windows 10
- Windows 8.1
- Windows 8
- Windows 7
- Windows Server 2012 R2
- Windows Server 2012
- Windows Server 2008 R2
**Looking for retail activation?**
- [Get Help Activating Microsoft Windows](https://go.microsoft.com/fwlink/p/?LinkId=618644)
When you activate a computer running Windows 10, the following information is sent to Microsoft:
- The Microsoft product code (a five-digit code that identifies the Windows product you are activating)
- A channel ID or site code that identifies how the Windows product was originally obtained
For example, a channel ID or site code identifies whether the product was originally purchased from a retail store, obtained as an evaluation copy, obtained through a volume licensing program, or preinstalled by a computer manufacturer.
- The date of installation and whether the installation was successful
- Information that helps confirm that your Windows product key has not been altered
- Computer make and model
- Version information for the operating system and software
- Region and language settings
- A unique number called a *globally unique identifier*, which is assigned to your computer
- Product key (hashed) and product ID
- BIOS name, revision number, and revision date
- Volume serial number (hashed) of the hard disk drive
- The result of the activation check
This includes error codes and the following information about any activation exploits and related malicious or unauthorized software that was found or disabled:
- The activation exploits identifier
- The activation exploits current state, such as cleaned or quarantined
- Computer manufacturers identification
- The activation exploits file name and hash in addition to a hash of related software components that may indicate the presence of an activation exploit
- The name and a hash of the contents of your computers startup instructions file
- If your Windows license is on a subscription basis, information about how your subscription works
Standard computer information is also sent, but your computers IP address is only retained temporarily.
## Use of information
Microsoft uses the information to confirm that you have a licensed copy of the software. Microsoft does not use the information to contact individual consumers.
For additional details, see [Windows 10 Privacy Statement](https://go.microsoft.com/fwlink/p/?LinkId=619879).
## See also
- [Volume Activation for Windows 10](volume-activation-windows-10.md)