When you bought MGS Front-end Builder with element packages. You can login and go to this link to download packages: http://www.magesolution.com/downloadable/customer/products/
– Click to “Community Edition” link to download.
– Unzip your package, you will get a folder name “app”.
– Make sure you have disabled compilation mode:
– Upload “app” folder to your magento root folder
– Go to admin > System > Cache Management to refresh cache
– Logout and login again.
– Now you can use your front-end builder element.