<Tr> <Td> Vista Ultimate </Td> <Td> Clean </Td> <Td> Clean </Td> <Td> Clean </Td> <Td> Clean </Td> <Td> In - place </Td> </Tr> <Tr> <Td> XP </Td> <Td> Clean </Td> <Td> Clean </Td> <Td> Clean </Td> <Td> Clean </Td> <Td> Clean </Td> </Tr> <P> Microsoft also supported in - place upgrades from a lower edition of Windows 7 to a higher one, using the Windows Anytime Upgrade tool . There are currently three retail options available (though it is currently unclear whether they can be used with previous installations of the N versions). There are no family pack versions of the Anytime Upgrade editions . It was possible to use the Product Key from a Standard upgrade edition to accomplish an in - place upgrade (e.g. Home Premium to Ultimate). </P> <Ul> <Li> Starter to Home Premium </Li> <Li> Starter to Professional </Li> <Li> Starter to Ultimate </Li> <Li> Home Premium to Professional </Li> <Li> Home Premium to Ultimate </Li> <Li> Professional to Ultimate </Li> </Ul>

Difference between win 7 ultimate and win 7 professional