In windows 7, the simplest and quickest solution is "This copy of Windows is not genuine" ("This copy of windows is no

Windows 7 is the simplest and fastest way to solve "This copy of Windows is not genuine" ("This copy of windows is not genuine ")
If this problem occurs, the windows desktop will become black and appear in the lower right corner: in fact, there are many ways to solve this problem, and many tools can solve this problem. The following describes the simplest and quickest solution: Step 1. in the start input box, Enter cmd step 2. right-click cmd and run it as administrator. Step 3 is displayed. enter SLMGR-REARM in the command line that appears. Note that there are spaces in the middle. As shown in Step 4. Click the "enter" button and the successful interface is displayed. Step 5. Restart your computer. Conclusion and note: The SLMGR-REARM method can be activated for about 120 days, and the number of times is limited to three times. It can be re-activated after each expiration, and Windows 8 also has similar operations. After it expires, I suggest you install windows8.1. The win8 operating system is still very good, and the memory usage of all applications is greatly reduced, far smaller than that of Windows 7.