Preserve your settings. Some of your custom file type associations
(Chapter 3) and Windows Explorer settings (Chapter 2) will be preserved
during the upgrade, as will most of the settings (custom toolbars,
etc.) in your installed programs.
Preserve your drive letters. If you have more than one hard disk (or more
than one partition), the upgrade process preserves your drive letters.
Sure, you can reassign drive letters at any time, with the exception of the
Windows drive. When you do a ???clean??? install, setup insists on naming
the Vista drive C:, regardless of the partition you choose during setup
(see Figure 1-2, earlier).
Save time, sort of. It takes a lot less time, at least initially, to upgrade a previous
version than to install Vista ???clean??? and subsequently install and
set up all your programs. Of course, down the road, you??™ll spend a lot
more time troubleshooting your upgraded system than you would a
fresh install. And there??™s also the fact that a freshly installed Vista will
easily outperform an upgraded one (more below).
It??™s easier. Upgrading is easier, but again, only initially.
As you can see, it??™s not all lollipops and rainbows. Here??™s why you may want
to install fresh rather than upgrade a previous version:
Time for a little spring cleaning. How long have you been using that previous
version of Windows? If you got XP when it came out, you??™ve
amassed as much as six years of junk??”drivers, software, spyware, video
codecs, and countless leftovers from software you don??™t even use
anymore??”that will continue to bog down Vista once you upgrade.
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