Distinguish whether the win7 Ultimate system is the original system's coup

1, first open the computer, and then enter the desktop, press the keyboard, Win + R key combination to open the "run" dialog box;
2, then type oobe/msoobe /a in the dialog box, then press Enter;
3, if it is the original system, the dialog box will appear, "Activate windows", if it can not be found error file or reactions, it would represent the system you are using a streamlined version of the original is not.
4, followed by & ldquo; run & rdquo; Type Help and Support Center inside the program name & ldquo; helpctr & rdquo ;, then return, if there if even the Help and Support Center for full is not open, then that which is the streamlined version of the system .