CWizard::Install

function Install()
{
	if ($this->__bInited)
		return;

	$this->__bInited = true;

	if (!empty($this->arErrors))
	{
		/*Generate error step */
		$this->__PackageError();
	}
	elseif ($this->pathToScript)
	{
		$package = $this;

		if(isset($this->arDescription["PARENT"]) && $this->arDescription["PARENT"] == "wizard_sol")
		{
			$lang = LANGUAGE_ID;
			$wizardPath = $_SERVER["DOCUMENT_ROOT"]."/bitrix/modules/main";
			$relativePath = "install/wizard_sol/wizard.php";

			if ($lang != "en" && $lang != "ru")
			{
				if (file_exists(($fname = $wizardPath."/lang/".LangSubst($lang)."/".$relativePath)))
					__IncludeLang($fname, false, true);
			}

			if (file_exists(($fname = $wizardPath."/lang/".$lang."/".$relativePath)))
				__IncludeLang($fname, false, true);
		}

		$this->IncludeWizardLang("wizard.php");

		include($this->pathToScript);

		if (array_key_exists("STEPS", $this->arDescription) && is_array($this->arDescription["STEPS"]))
		{
			$wizardName = (array_key_exists("NAME", $this->arDescription) ? $this->arDescription["NAME"] : "");
			$this->wizard = new CWizardBase($wizardName, $this);
			$this->wizard->AddSteps($this->arDescription["STEPS"]);
			$this->__SetTemplate();
			$this->wizard->Display();
		}
	}
	else
	{
		//Get description files
		$this->__GetSites();
		$this->__GetTemplates();
		$this->__GetServices();
		$this->__GetStructure();

		//Generate system steps
		$this->__Install();
	}
}