admin/controller/module/onwebchat.php → "opencart folder"/admin/controller/module
admin/language/english/module/onwebchat.php → "opencart folder"/admin/language/"language you are using"/module/
admin/view/template/module/onwebchat.tpl → "opencart folder"/admin/view/template/module/
catalog/controller/module/onwebchat.php → "opecart folder"/catalog/controller/module/
catalog/view/theme/default/template/module/onwebchat.tpl → "opencart folder"/catalog/view/theme/"theme you are using"/template/module/
catalog/language/english/module/onwebchat.php → "opecart folder"/catalog/language/module/
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