how to installed nopcommerce in iis7

Configuration Error

Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately.

Parser Error Message: It is an error to use a section registered as allowDefinition='MachineToApplication' beyond application level.  This error can be caused by a virtual directory not being configured as an application in IIS.

Source Error:


Line 26:       </expressionBuilders>
Line 27:     </compilation>
Line 28:     <authentication mode="None">
Line 29:       <none name="NOPCOMMERCE.AUTH" loginUrl="~/login.aspx" protection="All" timeout="43200" path="/" requireSSL="false" slidingExpiration="true" defaultUrl="~/default.aspx" enableCrossAppRedirects="false"/>
Line 30:     </authentication>

Source File: C:\inetpub\wwwroot\nop\nopcommercestore\web.config    Line: 28

This message shows my system pls help me to resolve this problem..

hi, try reading this to see if it helps,

https://www.nopcommerce.com/boards/t/7628/so-how-do-you-install-this-product.aspx