The operating system
Which one is right for you?
Before we begin, we should acknowledge that some readers may not feel comfortable with Windows' prominent place on this page. We hold no particular grudge against Linux or other desktop operating systems, but we think most TR readers will want to stick with Windows. For starters, most of you play PC games, and we've tuned all of our main configs for gaming—something Linux doesn't do nearly as well as Microsoft's OSes. Also, we figure enthusiasts with enough expertise to run Linux on their primary desktops will already have a favorite Linux distribution picked out. As for Mac OS X, we find both the dubious legality and the lack of official support for running it on standard PCs too off-putting.
Now, if you're buying a copy of Windows today, you should really be thinking about Windows 7. We explained in our review that this OS may well be Microsoft's finest to date, because it draws from Vista's strengths while adding a healthy dose of polish, not to mention improved performance and non-disastrous backward compatibility. Building a new system with Windows 7 instead of Vista or XP is really a no-brainer at this point.
Just like its predecessors, Windows 7 comes in several different editions, three of which you'll find in stores: Home Premium, Professional, and Ultimate. What makes them different from one another? The table below should help answer that question:
|Windows 7 Home Premium
||Windows 7 Professional
||Windows 7 Ultimate
|New Aero features||X||X||X|
|Internet Explorer 8||X||X||X|
|Windows Media Center||X||X||X|
|Full-system Backup and Restore||X||X||X|
|Remote Desktop client||X||X||X|
|Backups across network||X||X|
|Remote Desktop host||X||X|
|Windows XP Mode||X||X|
|Interface language switching||X|
|Price—OEM (64-bit) license||$99.99||$139.99||$184.99|
|Price—OEM (32-bit) license||$99.99||$139.99||$184.99|
As you can see, Windows 7 editions follow a kind of Russian nesting doll pattern: Professional has all of the Home Premium features, and Ultimate has everything. Since most users probably won't find the Ultimate edition's extras terribly exciting, the choice ought to come down to Home Premium vs. Professional for almost everyone.
Some of TR's editors like hosting Remote Desktop sessions and running network backups, so we'd probably go with the Professional package unless we were on a tight budget. However, we should also note that Windows 7 Home Premium includes some features formerly exclusive to more upscale editions, namely full-system backups and Previous Versions (a.k.a. Shadow Copy). See our review for more details.
If you go with Home Premium and find you need some of the Professional features down the road, you can always use the Anytime Upgrade program to step up. It'll only set you back $90.
Speaking of upgrades, you'll notice upgrade licenses are quite a bit cheaper than full ones. That's because you need a legit version of Windows XP or Windows Vista to use them. The edition doesn't matter, but you do need the previous OS to be activated and installed on your hard drive for the Windows 7 upgrade to work. Mind you, Vista upgrade installers don't seem to protest when a user does a clean install of Vista without a product key and then runs an upgrade installation over that. Windows 7 could allow for the same trick. Microsoft doesn't sanction this method, however, and who knows how future updates to the Windows activation system might affect it.
To save even more, you could also opt for an OEM license. Microsoft aims these at pre-built PCs, and for that reason, it prohibits users from carrying an OEM license over from one PC to another one. You may therefore be forced to buy a new copy of Windows 7 after a major upgrade. (Retail editions have no such limitation, as far as we're aware.) Also unlike their retail brethren, OEM licenses only cover one version of the software—32-bit or 64-bit—so you'll have to pick one or the other up front and stick with it.
That brings us to another point: should you go 32-bit or 64-bit? Since all of the processors we recommend in this guide are 64-bit-capable and all but one of our systems has 4GB of memory or more, the x64 release strikes us as the most sensible choice. This recommendation is relevant to folks who buy retail and upgrade editions, too—you might have to ask Microsoft to ship you x64 installation media first, but installing an x64 variant looks like the best idea.
As we've already explained, 32-bit flavors of Windows only support up to 4GB of RAM, and that upper limit covers things like video memory. In practice, that means that your 32-bit OS will only be able to use 3-3.5GB of system RAM on average and even less than 3GB if you have more than one discrete GPU. With new OSes and games pushing the envelope in terms of memory use, the 4GB limit can get a little uncomfortable for an enthusiast PC.
There are some caveats, however. 64-bit versions of Windows don't support 32-bit drivers, and they won't run 16-bit software. You'll probably want to make sure all of your peripherals have compatible drivers, and vintage game lovers may also have to check out emulators like DOSBox. Still, hardware makers have improved x64 support quite a bit since Vista came out three years ago, so you'll probably be fine unless you have something like a really old printer. (For some background on what makes 64-bit computing different at a hardware level, have a look at our take on the subject.)
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