It should also be noted that, at the time of this writing, most 64-bit antivirus
programs running on 64-bit Vista performed very poorly compared with their
32-bit counterparts. Of course, there aren??™t a lot of 64-bit viruses out there
right now, but that doesn??™t mean a 32-bit virus can??™t do some harm.
All editions of Vista (except Starter) are available in both the 32-bit or 64-bit
varieties; the retail Ultimate edition even includes both 32-bit and 64-bit DVDs
right in the box. If you have 32-bit Vista (other than Ultimate), you can get
the 64-bit version of your edition (http://www.microsoft.com/windowsvista/
1033/ordermedia/), and assuming your license key checks out, you only pay
shipping. But beware: once you ???convert??? your key to work with the 64-bit
version, you won??™t be able to use it to reinstall the 32-bit version, should you
decide to go back.
Regardless, all of the solutions in this book apply to both the 32-bit and 64-
bit versions of Windows Vista unless otherwise noted.
Table 1-1. What you get (and what you don??™t) with the various editions of Windows
Vista
Home
Basic
Home
Premium
Business Enterprise Ultimate
Aero Glass interface
Back Up Files wizard
Backup scheduler
Complete PC Backup and Restore
Dual processor support
Encryption ??“ BitLocker drive encryption
Encryption ??“ file and folder encryption (EFS)
Fax and Scan
Group Policy Editor (gpedit.
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12
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16
17
18
19
20
21
22
23
24
25
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27
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29
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31
32
33
34
35