Nikon D80 operated tethered. Can do?

My son has aquired a well looked-after Nikon D80, and has asked me to find out if it can be operated tethered to a laptop..

... and, if so, which software is required, and where might we find it?

Thank you for any help you can give. 
--
Regards,
Baz
"Ahh... But the thing is, these guys were no ORDINARY time travellers!"