Cut following and paste to your Notepad. Then save it using any name with extension of .reg and double click it. All is done.
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REGEDIT4
[HKEY_LOCAL_MACHINE\SOFTWARE\Kingsoft\Powerword\8.5\Professional]
"ProductInfo"="xRy6ldtkkCXi2aimCk0gg6RfJGaqCoIianugoGtoZHs3jwSsiccPMl2eVTodWO2WidHR+QBfPJhK/m0BiO4Mxg=="