Type a special character with a regular keyboard I am trying to reinstall an iMac but I don't have the original Apple keyboard. Instead a  "regular" keyboard is attached.
I can't find out how to type the "at" symbol (@). I need it to enter my Apple ID so I can download Mavericks to reinstall the sytem.

Is there any way to type it or circumvent the Apple ID login?
Either look at the keyboard viewer:




Or google for pictures of Apple keyboards: