Any TeamPages user can create a new team at any time by clicking on the 'create new team' link in the teams dropdown menu at the top right menu on any page.

Once you click the create team, All you need to do is fill up all of the information about the team. 
User-added image
Then at the bottom of the page, You can choose which package would you like to subscribe. 
Basic Version - FREE or Pro Add Free Version. 

If you want to know the difference between those packages, Click the blue link.
"What is the difference between the package".

Then Click, Create my Teampage