In here I will show you how to install and use YY:First,we need to download YYAfter we download the YY software,open the setup icon,Then you will see this interface:图片如下：Click “next”Than you will see this interface:图片如下：Click “accept”Than you will got this interface:图片如下：Still click “next”You will see this :图片如下：Choose “Install”Than you should wait a few min before it finish,after a few min you see this interface means you have installed YY in your computer.图片如下：