Patches & Updates
How to keep your personal computer up-to-date
Windows Users
Click Start, and then click Control Panel.
Depending on which Control Panel view you use, Classic or Category, do one of the following:
Click System, and then click the Automatic Updates tab.
Click Performance and Maintenance, click System, and then click the Automatic Updates tab.
Click the option that you want. Make sure Automatic Updates is not turned off.
Macintosh Users
Open System Preferences
Select Software Update
Click on "Automatically"
Select "Weekly" from the pull-down menu to enable weekly automatic software updates or "Monthly" for systems that are not often connected to the Network.
Other operating systems
Customers using other operating systems should check with operating system vendors to determine and apply software updates.