Business-oriented versions of Windows 7 — Windows 7 Professional and Ultimate — include additional productivity and security features such as the ability to run business programs in Windows XP Mode, company network connectivity via Domain Join, and BitLocker data theft protection.

What is the difference between Windows 7 and Windows 7 Professional?

MEMORY Windows 7 Home Premium supports a maximum of 16GB of installed RAM, whereas Professional and Ultimate can address a maximum of 192GB of RAM. [Update: To access more than 3.5GB of RAM, you need the x64 version. All editions of Windows 7 will be available in x86 and x64 versions and will ship with dual media.]

Does Windows 7 Professional come with Office?

Windows 7 (or other operating system package) does not come with an office suite. Microsoft Word, PowerPoint, and Excel (and One Note) are included Home and Student edition. You can buy either 2010 or 2013 version.