Hi Raul,
Upgrading from any version to the 4.x version is supported in the Syncfusion Essential Studio.
Please refer the following forum that provides a check list for the upgrade.
http://www.syncfusion.com/support/Forums/message.aspx?MessageID=47799Please try this and let us know if this helps.
Thank you for your interest in Syncfusion products.
Regards,
Nanda