Summarize this article in one sentence.
Visit the PayPal homepage. In the upper, right-hand corner, click on the "Sign Up" button. Use a personal account to send money to friends or to shop online. However, a business account is best if you are using PayPal to pay for business services. With a business account, several people can use the same PayPal account. PayPal lets you use an email instead of a user name. Choose an email address that you use regularly. When PayPal wants to send you notices, it will send them to this email address. A secure password will protect your account from hackers. Create a secure password that contains the following:  Your password should be at least eight characters long. You should use a combination of upper- and lower-case letters, as well as numbers and special characters (e.g., #, @, &). You should use misspelled words for increased protection. PayPal will want information such as your name, date of birth, address, and phone number. You must link in order to transfer money between your PayPal and bank accounts. After you link, you are good to start shopping!

Summary:
Click "Sign Up" on the PayPal website. Pick either a business or personal account. Link to an email. Create a secure password. Provide personal information. Link your PayPal account with your bank or credit card.