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I have purchased PD16, PD16 is upgraded from PD15, but when installing PD16, you need to provide the registration code of PD15, the system prompts...
我购买过PD16,PD16是在PD15升级过来的,但在安装PD16时,需要提供PD15的注册码,系统提示PD15的注册码错误,但我是从官网上copy过来的。不知道如何解决?谢谢!