# Class Opencart\Admin\Controller\Tool\Upgrade

`extends` | `Controller`

Class Upgrade

- Opencart\System\Engine\Controller
  - Opencart\Admin\Controller\Tool\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`

OpenCart API API documentation generated by ApiGen dev-master