To login to your Capital One 360 online banking account, this is their website which can be found.
Once at the website you're going to click the sign in link, they ask that you provide your username, if you can't recall you to the username, click don't have a username, input into the last four digits of your social security number, first five digits of your permanent, address, zip code, date of birth, primary phone number, and then click continue, and you'll be on your way to recovering your username.
If you do recall it, enter it click continue, and then enter your password, and click continue and you'll be on your way to accessing all the great features of your account.
You can't recall your password, click the forgot your password link, and input the last four digits of your social security number, click continue, and you'll be on your way to recovering your password.
If you need to enroll, you're going to have to contact banks customer service department and notify representative that you would like to open up an account, and they will guide you through the process of enrollment.