Getting Started AJAX control toolkit on vs 2005

1. Install AJAX web extension 1.0 .you can find it at following link 
2. AJAXWebExtension1.0
3. Download AJAX control toolkit from following link:
4. http://ajaxcontroltoolkit.codeplex.com/releases/view/43475
5. Extract the downloaded zip file.
6. Open Visual studio.
7. Go to toolbox and add a new Item following is pictorial description

Name the new Tab AJAX Control Toolkit it would be added in toolbox like this:

Right click on AJAX Control toolkit and select choose Items. A new dialog box open  give path of file named AjaxControlToolkit.dll (this file is in  AjaxControlToolkit.Binary.NET35.zip).

NOW AJAX control toolkit is installed and ready to use.