VevoCart 4 is released on the 4th March 2010
The full feature list can be reviewed at
http://www.vevocart.com/Features.aspx
For customers with active upgrade plan, you can download the upgrade package by logging into your account at http://www.vevocart.com/MyAccount.aspx
Please note that you require order number and serial number for verification.
The upgrade instruction is explained in section 7.1 of 'installation guide'. The guide can be downloaded at http://www.vevocart.com/document.aspx.
For customers without acitve upgrade plan, you can purchase upgrade plan extension at http://www.vevocart.com/VevoCart_License_Update-list.aspx
Thank you for your continuing support.
Best Regards,
VevoCart Team