As part of your upgrade, you now have additional features installed on your SharePoint farm. These features will be enabled ...

As part of your upgrade, you now have additional features installed on your SharePoint farm. These features will be enabled in newly created sites, but have not yet been made available to existing sites. You can make these features available to all your existing sites by navigating to the 'Enable Features on Existing Sites' page. If you do not wish to make these features available to all existing sites now, you may delete this task. You can perform this task at any time from the Operations page in the Central Administration site. You can also make these features available to individual sites by using Site Settings menu for that site.