This will display the user account and whether the session is running as admin in the WindowTitle

DisplayAdmin-WindowTitle.ps1

# Display running as Administrator in WindowTitle

$whoami = whoami /Groups /FO CSV | ConvertFrom-Csv -Delimiter ','
$MSAccount = $whoami."Group Name" | Where-Object { $_ -like 'MicrosoftAccount*' }
$LocalAccount = $whoami."Group Name" | Where-Object { $_ -like 'Local' }

#$MSAccount.Split('\')[1]
#$env:USERNAME

if ((Test-IsAdmin) -eq $true) {
	if (($MSAccount)) {
		$host.UI.RawUI.WindowTitle = "$($MSAccount.Split('\')[1]) - Admin Privileges"
	}
	else {
		$host.UI.RawUI.WindowTitle = "$($LocalAccount) - Admin Privileges"
	}
}	
else {
	if (($LocalAccount)) {
		$host.UI.RawUI.WindowTitle = "$($MSAccount.Split('\')[1]) - User Privileges"
	}
	else {
		$host.UI.RawUI.WindowTitle = "$($LocalAccount) - User Privileges"
	}
}