Windows 7 is on sale. Should you buy it now?

July 8, 2009 By JESSICA MINTZ , AP Technology Writer

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In this combo made from product images provided by Microsoft Corp., packaging for the 3 versions of Microsoft Windows 7, Home Premium, Professional and Ultimate, is shown. (AP Photo/Microsoft Corp.)

(AP) -- Microsoft Corp.'s next installment of Windows doesn't launch until October, but deep discounts on some versions are available through Saturday if you want to pre-order. Before pouncing on this deal, make sure it's right for your PC.

There are plenty of reasons why you'd want Windows 7. It appears to be more stable - less prone to crashes - than previous versions of Windows. It's less annoying than Vista, which could deluge users with security warnings and other nagging reminders. Windows 7 has a cleaner, simpler interface.

One thing that isn't simple about Windows 7 is the flavors it comes in. Microsoft said it tried to keep the options easy, but that didn't happen. You still must choose from Home Premium, Professional or Ultimate versions. (There also are Starter and Enterprise, but neither are sold directly to consumers.)

The consumer versions come in two variations, an upgrade and a full version. If you already have a Windows computer, buy the upgrade. If you're building a computer from scratch in the basement and don't have an unused copy of XP or Vista that you've already bought, you'll need the full version.

Retailers such as Amazon.com Inc. and Best Buy Co. are taking pre-orders for the Home Premium upgrade and the Professional upgrade, for $50 and $100, respectively. In the fall, those will cost $120 and $200.

Here is advice on how to consider a Windows 7 upgrade, depending on various scenarios:

- If you have Windows Vista Home Premium or Business, and you want the equivalent Windows 7 edition, pre-ordering the upgrade makes sense. You can trade up from Home Premium, or down from Business, with no extra hassle during installation. When your disk or download arrives Oct. 22, your PC will get a makeover, but your files, programs and settings should remain intact. (Don't tempt fate. Back up everything anyway.)

- If you have Windows Vista Ultimate, you can pre-order the comparable version of Windows 7 for $220. There is no tantalizing upgrade deal and Microsoft won't say whether it's planning one.

- If you have Vista Ultimate but you want a lesser version of Windows 7, you can do that, too, even though this "upgrade" will be a bit of a downgrade. Depending on whether you switch to Home Premium or Professional for Windows 7, you'd have to give up features like BitLocker, which protects data if the PC is stolen, or Windows XP Mode, which lets you run older programs that aren't compatible with Windows 7.

If you miss those high-end features you can upgrade back to Ultimate later. Microsoft hasn't said how much its "anytime upgrades" will cost, but for Vista, these prices ranged from $140 to $200.

- If you have Windows XP, upgrading to Windows 7 is possible if your PC is powerful enough. But it's a bit of extra work, requiring more care with the files on your machine.

First download and run Microsoft's Windows 7 Upgrade Advisor to make sure your hardware meets minimum requirements. Among them: You need to have 1 gigabyte of RAM (or 2 gigs if your computer is a 64-bit machine, a reference to how much data it processes at once). You'll also need at least 16 gigabytes of hard disk space available (or 20 gigs on a 64-bit machine).

The Upgrade Advisor gave my XP machine a green light for Windows 7, though it listed several programs I'd have to uninstall first, then reinstall after.

You can install any version of Windows 7 if your PC passes muster. Microsoft has a step-by-step guide online. It recommends you use a utility program on the Windows 7 disk, "Easy Transfer," to copy your files and settings onto an external drive. Then it walks you through a "custom" installation and helps you get your old files onto the updated PC.

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On the Net:

Upgrade Advisor:
http://tinyurl.com/opoey8

XP to Windows 7 instructions:
http://tinyurl.com/kjqaq9

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