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H.2. Getting Service Packs
All Windows XP
Service Packs, without exception, come directly from Microsoft. You
might see Packs showing up on third-party sites, but
don't bitealways go straight to the original
source. Copies floating around on the Web and on peer-to-peer
networks could be tampered with, or contain viruses and Trojan
horses. There are several ways to get a Service Pack:
- Windows Update
To guarantee you're getting a finished, ready for
prime time version, open up the Start menu and select Windows Update.
Windows Update will scan your system and only download the components
you need (see Figure H-2). However, be warned: the
simplicity of this approach comes at a price. The installation of a
Service Pack via Windows Update is more likely to fail than if you
download the update manually (see Direct Download/Network Install,
below). Plus, after downloading a Service Pack, you
won't be able to choose when to install it; Windows
Update will install it the next time you shut down Windows, a process
that can tie up your PC for hours.
Preinstalled
If you bought a new computer recently, it should have the latest
Service Pack already installed. Likewise, if you bought Windows XP
off the shelf, chances are it contains all the Service Packs released
to date. If Windows Update doesn't offer you the SP2
download, you've already got it.
Direct Download/Network Install
The downloadable release of a Service Pack is aimed at engineers and
system administrators who have to install and manage XP on multiple
computers, but anyone can use it. This is a somewhat larger download,
but it offers a great deal of flexibility. Often available prior to
the official public launch, this version helps IT staff and
developers discover any bugs or problems that may be in store. This
can be a convenient way to install a Service Pack, as it
doesn't rely on the finicky Windows Update feature,
and you can install it whenever you like. The Network Install also
allows you to install a Service Pack on several machines while only
downloading the update once, provided you can distribute the
installer over your LAN or copy it via CD. At press time, this IT
version of SP2 can be downloaded from http://www.microsoft.com/technet/prodtechnol/winxppro/maintain/winxpsp2.mspx.
CD-ROM
Stuck with a poky dial-up connection? Want to upgrade several
machines? Order a free CD directly from Microsoft. At press time, the
SP2 order page was at http://www.microsoft.com/windowsxp/downloads/updates/sp2/cdorder/en_us/default.mspx.
Figure H-2. Windows Update can automatically download and install critical updates
