New
#10
Since you're familiar with the command line, enter
dism/online /get-currentedition
to find out which edition of Windows 7 you have installed--Version 6.1.7601 reveals only that your OS is Windows 7.
As the system has indicated, you may be using -Starter or -Home editions...in which case you will want to open your Start menu, right-click on Computer, and select Properties.