I want to check my e-mail on friends computor, how do I log in?

Answer 1

If it is a web based email system, just make sure your friend is "logged out" of that mail system, and then log in with your own log in name and password.

Answer 2

What e-mail account do you want to log into?
This info. is needed to answer your question.
for example: If you wanted to log into a Verizon account you would type.. http://netmail.verizon.net and enter your user name and password. All accounts are different