You have to apply through the Embassy in whatever country you are in. Also each Embassy sets their own requirements, so they can differ between Embassies.
because it is mainly a group for answers about Wise. I'm not going to a group asking about how to live in Australia if I am wanting to live in Italy. This is the correct group for Visa questions.
Depends obviously on how many flights are arriving at the same time. Or if you are one of the "lucky" one who gets checked out by customs and other variables.