Class Opencart\Admin\Controller\Tool\Upgrade

`extends`	`Controller`

Class Upgrade

Located at admin\controller\tool\upgrade.php

Methods
`public`	`index(): void` Index Index	#
`public`	`download(): void` Download Download	#
`public`	`install(): void` Install Install	#

Methods inherited from Opencart\System\Engine\Controller
`__construct(), __get(), __set()`

Properties inherited from Opencart\System\Engine\Controller
`$registry`