Installing the ADT plugin in Eclipse kepler

I installed Eclipse Version: Kepler Service Release 1 on windows 7 and I had configured the proxy, and I was trying to install the ADT plugin. I used the following links one by one both by https and http

• https://dl-ssl.google.com/android/eclipse/

I followed the following steps:-

1. Run the eclipse.exe as administrator
2. Then help->Install New Software
3. Then entered the the link in Work With field
4. Then clicked ADD button
5. Then entered the ADT in the NAME field, and the link in the Location field
6. I was getting an error in which the Dialog box says

   Error Contacting Site No software site found at
   Do you wish to edit the location ? Yes NO