命令行执行命令，重新启动服务器
slmgr.vbs /upk
参考：
http://www.sevenforums.com/tutorials/165472-product-key-number-uninstall-deactivate-windows.html
命令行执行命令，重新启动服务器
slmgr.vbs /upk
参考：
http://www.sevenforums.com/tutorials/165472-product-key-number-uninstall-deactivate-windows.html