Theme Twenty Ten says user has the ability to remove the sidebar, but can’t find any options to do this under Appearance option. How can I remove the sidebar on the Home page and all other pages and use this space for my content?
To make the change you go to the page itself and click edit — on the right hand side of your screen you will see Page Attributes. There is a dropdown for Template — select 1 column, no sidebar and that should fix your problem.