Skillnad på Windows 7 professional och home premium?

Windows 7 Professional
This edition is targeted towards enthusiasts and small-business users.[1] It includes all the features of Windows 7 Home Premium, and adds the ability to participate in a Windows Server domain.[1] Additional features include support for up to 192 GB of Random-access memory (increased from 16GB),[12] 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.http://en.wikipedia.org/wiki/Windows_7_editions[1]

"the ability to run a Remote Desktop server, encrypt files, make network folders available offline, and join a Windows domain. licensed virtual copy of Windows XP"http://www.zdnet.com/blog/bott/from-starter-to-ultimate-whats-really-in-each-windows-7-edition/1031