From the STEEMIT FAQ
Accounts
How do I create an account?
Click on the "Sign Up" link at the top of steemit.com to get started.
You will be asked to enter your email address and verify your phone number. After your information has been verified, you will be added to the waiting list to receive an account. You will be notified via email once your account is approved.
After you receive notification that your account is approved, click on the link in the email to finish the account creation process. Be sure to save and backup your username and password. It is very important that you do not lose your password. There is no way to recover your password or access your account if it is lost. Once your password is saved and backed up, click on the "Create Account" button to create the account.
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What information do I need to provide in order to create an account?
You will need to provide your email address and phone number.
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How long does the account approval process take?
Some accounts are approved faster than others. Most accounts are approved within 24 hours. Some may take a week or two to review.
If your account has not been approved after more than two weeks, you can ask for help in the #help channel on <a href='https://steem.chat/home">steem.chat.
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Can I speed up the account approval process?
There is currently no way to speed up the account approval process. If you are unable to wait, there are third-party websites listed below that allow you to bypass the approval process and pay to open an account.
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Why do I need to provide my email and phone number?
To create an account on the blockchain, it costs STEEM tokens. When you create an account through steemit.com, Steemit Inc. is supplying the tokens to pay the account creation fee. In order to prevent users from abusing the paid-for signup and creating multiple accounts, we need to be able to verify that each user is only signing up for one account.
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Let me repeat that last line:
we need to be able to verify that each user is only signing up for one account.
It is all available in the *FAQ page on steemit. There is more, but that should maybe help.
RE: Can I get a new Steemit account?