Microsoft Toolkit 2.6 !full! » 〈DELUXE〉
As for version 2.6, I assume you're referring to MDT 2012 Update 1 (also known as MDT 2.6). Here are some key features:
The Microsoft Toolkit, also known as the Microsoft Deployment Toolkit (MDT), is a free tool from Microsoft that helps automate the deployment of Windows operating systems and Microsoft applications. microsoft toolkit 2.6
