1) Make sure you have the Latest Version of iTunes (v11) Installed on your computer
- iTunes free download from www.itunes.com/download
2) Error 4013 > https://discussions.apple.com/message/23208745
Try to updates ios 7. it was. ios 4
3) See Here > http://support.apple.com/kb/HT4972
I bought a ipad 2 today ...
4) Return to Place of Purchase.
iPad: Basic troubleshooting
Update and restore alert messages on iPhone, iPad, and iPod touch
iOS: Resolving update and restore alert messages
iPad: Unable to update or restore
iTunes: Specific update-and-restore error messages and advanced troubleshooting