Windows 7 is available in six different editions, but only Home Premium, Professional, and Ultimate are widely available at retail.[1] The other editions focus on 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).
Windows 7 is available in six different editions, but only Home Premium, Professional, and Ultimate are widely available at retail.[1] The other editions focus on 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).