<P> According to Microsoft, the features for all editions of Windows 7 are stored on the machine, regardless of which edition is in use . Users who wish to upgrade to an edition of Windows 7 with more features could use Windows Anytime Upgrade to purchase the upgrade and to 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 . </P> <P> Since October 31, 2013, Windows 7 is no longer available in retail (except for the Professional edition preinstalled which was discontinued on October 31, 2016): </P> <Dl> <Dt> Windows 7 Starter </Dt> <Dd> Windows 7 Starter is the edition of Windows 7 that contains the fewest features . It is only available in a 32 - bit version and does not include the Windows Aero theme . The desktop wallpaper and visual styles (Windows 7 Basic) are not user - changeable . In the release candidate versions of Windows 7, Microsoft intended to restrict users of this edition to running three simultaneous programs, but this limitation was dropped in the final release . Does not support more than 2GB of RAM . </Dd> <Dd> This edition was available pre-installed on computers, especially netbooks or Windows Tablets, through system integrators or computer manufacturers using OEM licenses . </Dd> <Dt> Windows 7 Home Basic </Dt> <Dd> Windows 7 Home Basic was available in "emerging markets", in 141 different countries . Some Windows Aero options are excluded along with several new features . This edition is available in a 64 - bit version and supports up to 8GB of RAM . Home Basic, along with other editions sold in emerging markets, include geographical activation restriction, which requires users to activate Windows within a certain region or country . </Dd> <Dt> Windows 7 Home Premium </Dt> <Dd> This edition contains features aimed at the home market segment, such as Windows Media Center, Windows Aero and multi-touch support . It was available in both 32 - bit and 64 - bit versions . </Dd> <Dt> Windows 7 Professional </Dt> <Dd> This edition is targeted towards enthusiasts, small - business users and schools . It includes all the features of Windows 7 Home Premium, and adds the ability to participate in a Windows Server domain . Additional features include support for up to 192 GB of random - access memory (increased from 16 GB), operating as a Remote Desktop server, location aware printing, backup to a network location, Encrypting File System, Presentation Mode, Software Restriction Policies (but not the extra management features of AppLocker) and Windows XP Mode . It, too, was available in both 32 - bit and 64 - bit versions . </Dd> <Dt> Windows 7 Enterprise </Dt> <Dd> This edition targeted the enterprise segment of the market and was sold through volume licensing to companies which have a Software Assurance contract with Microsoft . Additional features include support for Multilingual User Interface (MUI) packages, BitLocker Drive Encryption, and UNIX application support . Not available through retail or OEM channels, this edition is distributed through Microsoft Software Assurance (SA). As a result it includes several SA - only benefits, including a license allowing the operating of diskless nodes (diskless PCs) and activation via VLK . </Dd> <Dt> Windows 7 Ultimate </Dt> <Dd> Windows 7 Ultimate contains the same features as Windows 7 Enterprise, but unlike the Enterprise edition, it was available to home users on an individual license basis . Windows 7 Home Premium and Windows 7 Professional users are able to upgrade to Windows 7 Ultimate for a fee using Windows Anytime Upgrade if they wish to do so . Unlike Windows Vista Ultimate, the Windows 7 Ultimate edition does not include the Windows Ultimate Extras feature or any exclusive features as Microsoft had stated . </Dd> </Dl> <Dt> Windows 7 Starter </Dt>

What is difference between windows 7 ultimate and professional and home premium
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