Windows 7 Professional

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Windows 7 is available in six different editions, but only Home Premium, Professional, and Ultimate are widely available at retail.[1] The other editions are focused at other markets, such as the developing world or enterprise use. All editions support the 32-bit(IA-32) processor architecture and all editions except Starter support the 64-bit (x86-64) processor architecture (64-bit installation media is not included in Home Basic edition, but can be obtained from Microsoft).

According to Microsoft, the features for all editions of Windows 7 are stored on the machine, regardless of what edition is in use. Users who wish to upgrade to an edition of Windows 7 with more features can then use Windows Anytime Upgrade to purchase the upgrade, and unlock the features of those editions.[Microsoft announced Windows 7 pricing information for some editions on June 25, 2009, and Windows Anytime Upgrade and Family Pack pricing on July 31, 2009.

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