内容：通过修改hosts文件，让pycharm不能够联网验证激活码的方式。我在kali和win10都成功了
1、修改hosts文件
Windows文件位置：C:\Windows\System32\drivers\etc
Linux和mac的hosts文件路径为：/etc
在文件末尾添加：0.0.0.0 account.jetbrains.com 在修改该文件前最好先复制一份，名字改成hosts备份，以防万一
如图：
2、打开PyCharm，选择 Activate code（用激活码激活）
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一个激活码
3、如果出现以下弹框，这说明你没有修改hosts文件，或说没生效
此方法来自****的博客，原来的地址是这个：http://blog.****.net/u014044812/article/details/78727496
再次查看了原文，发现原文加了一个设置编译器的解答，有需要的可以去查看，我觉得很多人都设置了的，而且windows设置了path后PyCharm自动设置了。
转载非用于商业用途，只是为了保存，方便日后查阅