How to change a password in Thunderbird?

I always forget how can I change a password in Thunderbird, and you?
1, Delete your old, saved password
a, In Thunderbird 2
Go to Tools>Options>Privacy>Passwords>Edit Saved Passwords
Select the password what you want to change and press the Remove button.
b, In Thunderbird 3
Go to Tools>Options>Security>Passwords>Saved Passwords…
Select the password what you want to change and press the Remove button.
2, [...]