There are 4 different types of windows 8:-
Windows 8
Windows 8 is the basic edition of Windows for the IA-32 and x64 architectures. Documentation obtained from the ImageX tool and Paul Thurrott’s book on Windows 8 also refer to this edition as “Core”. This edition contains features aimed at the home market segment and provides all of the basic new Windows 8 features including the Start screen with semantic zoom, live tiles, Windows Store, Internet Explorer 10, connected standby, Microsoft account integration, the Windows desktop and more.
Windows 8 Pro
Windows 8 Pro is comparable to Windows 7 Professional and Ultimate and is targeted towards enthusiasts and business users; it includes all the features of Windows 8. Additional features include the ability to receive Remote Desktop connections, the ability to participate in a Windows Server domain, Encrypting File System, Hyper-V, and Virtual Hard Disk Booting, Group Policy as well as BitLocker and BitLocker To Go. Windows Media Center functionality will be available only for Windows 8 Pro as a separate software package.
Windows 8 Enterprise
Windows 8 Enterprise provides all the features in Windows 8 Pro (except the ability to install the Windows Media Center add-on), with additional features to assist with IT organization (see table below). This edition is available to Software Assurance customers, as well as MSDN and TechNet Professional subscribers, and was released on August 16, 2012.
Windows RT
Windows RT will only be available per-installed on ARM-based devices such as tablet PCs. It will include touch-optimized desktop versions of the basic set of Office 2013 applications to users Microsoft Word, Excel, PowerPoint, and OneNote, and support device encryption capabilities. Several business-focused features such as Group Policy and domain support are not included.

There are 4 different types of windows 8:-
Windows 8
Windows 8 is the basic edition of Windows for the IA-32 and x64 architectures. Documentation obtained from the ImageX tool and Paul Thurrott’s book on Windows 8 also refer to this edition as “Core”. This edition contains features aimed at the home market segment and provides all of the basic new Windows 8 features including the Start screen with semantic zoom, live tiles, Windows Store, Internet Explorer 10, connected standby, Microsoft account integration, the Windows desktop and more.
Windows 8 Pro
Windows 8 Pro is comparable to Windows 7 Professional and Ultimate and is targeted towards enthusiasts and business users; it includes all the features of Windows 8. Additional features include the ability to receive Remote Desktop connections, the ability to participate in a Windows Server domain, Encrypting File System, Hyper-V, and Virtual Hard Disk Booting, Group Policy as well as BitLocker and BitLocker To Go. Windows Media Center functionality will be available only for Windows 8 Pro as a separate software package.
Windows 8 Enterprise
Windows 8 Enterprise provides all the features in Windows 8 Pro (except the ability to install the Windows Media Center add-on), with additional features to assist with IT organization (see table below). This edition is available to Software Assurance customers, as well as MSDN and TechNet Professional subscribers, and was released on August 16, 2012.
Windows RT
Windows RT will only be available per-installed on ARM-based devices such as tablet PCs. It will include touch-optimized desktop versions of the basic set of Office 2013 applications to users Microsoft Word, Excel, PowerPoint, and OneNote, and support device encryption capabilities. Several business-focused features such as Group Policy and domain support are not included.

There are 4 different types of windows 8:-
Windows 8
Windows 8 is the basic edition of Windows for the IA-32 and x64 architectures. Documentation obtained from the ImageX tool and Paul Thurrott’s book on Windows 8 also refer to this edition as “Core”. This edition contains features aimed at the home market segment and provides all of the basic new Windows 8 features including the Start screen with semantic zoom, live tiles, Windows Store, Internet Explorer 10, connected standby, Microsoft account integration, the Windows desktop and more.
Windows 8 Pro
Windows 8 Pro is comparable to Windows 7 Professional and Ultimate and is targeted towards enthusiasts and business users; it includes all the features of Windows 8. Additional features include the ability to receive Remote Desktop connections, the ability to participate in a Windows Server domain, Encrypting File System, Hyper-V, and Virtual Hard Disk Booting, Group Policy as well as BitLocker and BitLocker To Go. Windows Media Center functionality will be available only for Windows 8 Pro as a separate software package.
Windows 8 Enterprise
Windows 8 Enterprise provides all the features in Windows 8 Pro (except the ability to install the Windows Media Center add-on), with additional features to assist with IT organization (see table below). This edition is available to Software Assurance customers, as well as MSDN and TechNet Professional subscribers, and was released on August 16, 2012.
Windows RT
Windows RT will only be available per-installed on ARM-based devices such as tablet PCs. It will include touch-optimized desktop versions of the basic set of Office 2013 applications to users Microsoft Word, Excel, PowerPoint, and OneNote, and support device encryption capabilities. Several business-focused features such as Group Policy and domain support are not included.