1. Go to Content > Content Management System
  2. Hover over the site name and click Manage Website
  3. Click the Administer tab
  4. Click the Privileges tab
  5. Hover over the necessary folder and click Privileges
  6. Click on a user in the right hand column and click Add to add them to the privilege group
  7. Repeat steps 5-6 as needed for content, files, and templates.
  8. Click Close