How do I turn off administrator restrictions on Chromebook?

How do I turn off administrator restrictions on Chromebook?
Let anyone sign in to your Chromebook

Sign in to your Chromebook with the owner account.
At the bottom right, select the time.
Select Settings .
In the “Security and Privacy” section, select Manage other people.
Turn off Restrict sign-in to the following users.

Let anyone sign in to your Chromebook
  1. Sign in to your Chromebook with the owner account.
  2. At the bottom right, select the time.
  3. Select Settings .
  4. In the “Security and Privacy” section, select Manage other people.
  5. Turn off Restrict sign-in to the following users.