What Updating Does
Patches and updates: Rather than distribute a new CD-ROM every time a piece of software is updated, software companies distribute updates using patches. This is like inserting five new pages in an encyclopaedia rather than shipping 24 new volumes every time there's a change. These patches can be downloaded over the internet.
Benefits of updating:
Protects against some viruses.
Protects against some hacker tricks.
Improves performance.
Fixes bugs.
Adds features.
Updates must be combined with anti-virus, anti-spyware and firewall software to be effective. Today's complex online threats demand a layered approach to PC security.
Service packs: Service packs combine a number of updates and improvements in one large patch.
How to update
For Windows, go to the Windows Update site and follow the instructions.
There are instructions on the site that will enable your computer to automatically download and install updates as they become available.
For Office applications (Word, Excel, etc.) go to www.officeupdate.com.
Check with software companies, via their website, periodically for updates for other applications.
Upgrade your operating system
There is one good reason to upgrade to Windows Vista, if you don't already have it, it is far more secure than previous versions of Windows.