首先先看你自己的版本
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上面是注册码
如果在验证上述注册码的过程中，显示此注册码已经被取消，则可以通过在hosts文件中，添加：
0.0.0.0 account.jetbrains.com
构造映射关系，来解决此问题。如果大家对hosts文件不太了解，不知道如何修改此文件，则可以通过阅读「详述 hosts 文件的作用及修改 hosts 文件的方法」了解详情。
上述文章是转载的仅供学习
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