Go to Start and select Control Panel. select User Accounts from the drop-down menu. nChoose Manage Another Account from the drop-down menu. double-click on your account to open it. Select Administrator in the drop-down menu and then Save & Ok.
Set the file system to be writable. Create a new account. … Restart your computer while holding down the Command and S keys, which will bring you to a terminal command prompt. Set the file system to be writeable again. … Recreate the account by following these steps:
Select the Start menu and then select Run. In the box, type compmgmt. MSC and then hit Enter. Select Local Users and Groups, then Users from the drop-down menu. Select Administrator from the drop-down menu next to Account Type. enter your password in the pop-up window that appears after you click Password
On the User Accounts menu, select User Accounts > User Accounts and then go to Control Panel > Administrative Tools (or Local Security Policy if you’re on a PC). On the right side of your screen, you will now see your current logged-on user account. If your account has administrator permissions, you can view “Administrator
Select the Apple menu and then choose System Preferences. Select Users & Groups from the drop-down menu. Unlock it by clicking the lock symbol, then type an administrator name and password. In the list of users, choose “Allow user to administer this computer,” then select a standard user or managed user.
