How to Access Administrator in a Macbook

Click the 'Apple' icon in the upper-left corner of the screen and select 'System Preferences.' Click the 'Accounts' icon.
Look at the list of accounts on the left side of the window. Under the name of an account is the privilege level of the account. These can be 'Admin,' 'Standard' or 'Sharing Only.' If 'My Account' is listed as an 'Admin' account, you are currently logged in as an administrator. If it is not, proceed to the next step.
Click the 'Apple' icon and select 'Log Out.' Confirm that you want to quit all applications and log out in the pop-up window. Once logout is complete, the login window displays on the screen.
Click on a user account with administrator privileges and enter the password. Press return to access the administrator account.
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