Responder Web Server requires IIS features. The web server must have IIS enabled through Windows Features.
    Windows 7
    Windows Server 2008
Windows 7
    - From the Windows Control Panel, select Programs.
 
    - Select Turn Windows features on or off.
 
    
    - Expand Internet Information Services.
 
    - Select the checkboxes as indicated in the image below. This is the minimum requirement for Responder.
 
    
    - Click OK.
 
Windows Server 2008
    - From the Windows Control Panel, select Programs and Features.
 
    - Click Turn Windows features on or off.
 
    - Scroll down to the Features Summary section and click Add Features.
 
    
    - Select the Web Server IIS Extension checkbox (or WinRM IIS if installing on a remote machine). The Add Features Wizard window opens.
 
    - Click Add Required Role Services.
 
    
    - On the left side of the window, select Role Services.
 
    - Select the checkboxes for Web Server (Installed) as shown in the image below. This is the minimum requirement for Responder.
 
    
    - Click Next.
 
    - Click Install. The server might need to be restarted after the installation completes.