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This blog explores some of the changes in Windows® 8 related to PC maintenance, installing updates, and other related activities.
Windows 8 improves the state of performance improvement and maintenance activities with a variety of changes across the product. Some of these changes include the following:
This last change is discussed in more detail on the next page.
One of the most important maintenance-related improvements in Windows 8 is Automatic Maintenance. This is a new system maintenance service that can be used by Windows components and apps to schedule maintenance activities on the PC in one scheduled window per day.
Automatic Maintenance is shown in Action Center in the Maintenance section.
Read more: http://blogs.msdn.com/b/olivnie/archive/2013/04/05/updates-and-maintenance.aspx