how to apply TRV?

[bilaleagle]

My friend has a valid closed work permit but his TRV stamp on passport expired, how can he apply for new TRV with in Canada, and does he need to do the biometrics again, as he performed could of years ago

can you please provide me the website to go to apply TRV and which option I need to chose while applying for TRV stamp on visa

thank you in Advance