Professional can support a memory of 192 GB and has the capacity to support 2 CPUs. Windows 7 Professional is not available in the retail stores but one can upgrade from even the basic through the Windows Upgrade Anytime portal. Professional, as the name suggests, is especially beneficial for the IT maestros who can avail the additional assistance once upgraded. Windows Professional is one of the six windows 7 editions that were launched by the Microsoft Windows Operating System in 2009.
