1. Sign in to YouTube Studio (studio.youtube.com) with the channel owner account.
  2. Click on “Settings” in the left sidebar menu.
  3. Select “Channel” from the settings options.
  4. Click on “Permissions” tab.
  5. Click the “INVITE” button (blue button with a plus sign).
  6. Enter the email address of the person you want to add as a contributor.
  7. Choose their access level from the dropdown menu:
    • Editor: Can upload/edit videos but can’t delete or add team members
    • Editor Plus: Can upload/edit/delete videos but can’t add team members
    • Owner: Has full control of the channel
  8. Click “INVITE” to send the invitation.
  9. The person will receive an email invitation that they need to accept to gain access to your channel.
  10. They can now manage your channel according to the permission level you assigned.

Note: The invited user must have a Google account associated with the email address you used to invite them.