slmgr.vbs -dli                                            (运行命令)
                  -------显示许可证概要信息
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slmgr.vbs -dlv                                            (运行命令)
                  -------显示许可证详细信息
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slmgr.vbs -xpr                                             (运行命令)
                  -------显示许可证激活状态的截止日期