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|Country/Region of Manufacture:||USA||Packing:||OEM box|
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Windows 7 Release Date
Windows 7 was released to manufacturing on July 22, 2009. It was made available to the public on October 22, 2009.
Windows 7 is preceded by Windows Vista, and succeeded by Windows 8.
Windows 10 is the latest version of Windows.
Windows 7 Editions
Six editions of Windows 7 are available, the first three of which below are the only ones available for sale directly to the consumer:
Windows 7 Ultimate
Windows 7 Professional
Windows 7 Home Premium
Windows 7 Enterprise
Windows 7 Starter
Windows 7 Home Basic
Windows 7 Enterprise is designed for large organizations. Windows 7 Starter is only available for preinstallation by computer makers, usually on small form factor or lower end computers. Windows 7 Home Basic is only available in some developing countries.
Windows 7 Home Premium is also available in a "family pack" that allows installation onto up to three separate computers. Most Windows 7 licenses allow installation onto only one device.
Except for Windows 7 Starter, all versions of Windows 7 are available in either 32-bit or 64-bit versions.
Windows 7 Hardware Limitations
Windows 7 Starter is limited to 2 GB of RAM and 32-bit versions of all other editions of Windows 7 are limited to 4 GB.
Depending on the edition, 64-bit versions of Windows 7 support considerably more memory. Windows 7 Ultimate, Professional, and Enterprise support up to 192 GB, Home Premium 16 GB, and Home Basic 8 GB.
CPU support in Windows 7 is a little more complicated. Windows 7 Enterprise, Ultimate, and Professional support up to 2 physical CPUs while Windows 7 Home Premium, Home Basic, and Starter only support one CPU. However, 32-bit versions of Windows 7 support up to 32 logical processors and 64-bit versions support up to 256.
Windows 7 Service Packs
The most recent service pack for Windows 7 is Service Pack 1 (SP1) which was released on February 9, 2011. An additional "rollup" update, a sort of Windows 7 SP2, was also made available in mid-2016.
See Latest Microsoft Windows Service Packs for more information about Windows 7 SP1 and the Windows 7 Convenience Rollup.
Not sure what service pack you have? See How To Find What Windows 7 Service Pack is Installed for help.
The initial release of Windows 7 has the version number 6.1.7600. See my Windows Version Numbers list for more on this.
Minimum hardware requirements for Windows 7
|Component||Operating system architecture|
|Processor||1 GHz IA-32 processor||1 GHz x86-64 processor|
|Memory (RAM)||1 GB||2 GB|
|Graphics card||DirectX 9 graphics processor with WDDM driver model 1.0|
|Free hard drive space||16 GB||20 GB|
|Optical drive||DVD-ROM drive (Only to install from DVD-ROM media)|
Additional requirements to use certain features:
Windows XP Mode (Professional, Ultimate and Enterprise): Requires an additional 1 GB of RAM and additional 15 GB of available hard disk space. The requirement for a processor capable of hardware virtualization has been lifted.
Windows Media Center (included in Home Premium, Professional, Ultimate and Enterprise), requires a TV tuner to receive and record TV.
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