Select the repository used language from the Language drop-down list. Click the Advanced settings link to expand the advanced settings area.
Select your Version control system as Git or Mercurial, I select the Git radio button. Now it will popup Create a new repository window, input the repository name, check This is a private repository checkbox in the Access level section.Then click the Repository menu item in the popup menu list.After you log in, click Create ( + ) button in the left panel.First, you should register a bitbucket account, or you can use a Google account to log in to bitbucket.