On your tamagotchi log in screen, just press "B" and type in the logout code.
Means "personal computer" you type in ur user and the code you see on your tamagotchi then you will see your tamagotchi on the computer screen.
Its not a code. Its showing that you can now put in the codes.
Yes, you can type in the code to get one or you can buy it
You can play games , meet other tamagotchi's you can get your tamagotchi pregnant and basically just look after it :) And you can do over 10 diffrent jobs (new only on v4)
No.
you have to be a banker to do it
Yes
The v4.
Just care of it
uh, they're the same..... ^-^ --mewMew
Yes, just wait for the Matchmaker to come, usually after 24 hours of them being an adult.