TOPIC: Need to see admin part

Hello,

I like to purchase this extension (DT Register - Event Registration for Joomla) but its administrator link is not working and showing me 404 error. Following is the administrator link of this extension which is not working.

Link : www.dthdevelopment.com/demo/administrator/

Is there any one have working link for administrator demo then please provide it to me.

Kindly appreciate your response.

Thanks in Advance.