You should first access the product detail page. On this page, you can find the description and also witness a live demonstration about preview access. Yet, if you still have some doubts, then you can view the contact form from the contact page. You are provided with many subjects and you must click on ‘Pre Purchase questions’. You can get a quick response from us, usually within a couple of hours or more over a day. If you do not receive an instant response, do not become doubtful.