I wanted do drop down global navigation menu in two and three column. How I will achieve this using SharePoint 2013? Kindly help me. Snapshot is attached with this what I actually want. In advance Thank you.
Try this links , This is brief intro to how the Top Navigation (also known as Global Navigation) functions Out of the Box. Note: I am not talking about an easy solution to creating a consistent Navigation between Site Collections
you can achive this using Manage MetaData and Navigation OOTB kindly Refer below Link this will help you get your result http://social.technet.microsoft.com/wiki/contents/articles/15876.sharepoint-2013-navigation-using-managed-metadata.aspx