1. Log in to your fitli account
2. Go to "Personal" section, then "Account", then "Account Type". You'll see something like this:
You'll see that your current account type is "Personal". To upgrade your account to Professional or Business type, click on the "SELECT" button accordingly.
Notes: If you want to upgrade to a Business account, you'll need some information about your business for the signup process. Read more in the Prerequisites section here.