JetBrains 系列IDE激活

1.修改hosts文件：

 添加下面一行到hosts文件，目的是屏蔽掉Pycharm对激活码的验证

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1. 0.0.0.0 account.jetbrains.com  

 windwos系统hosts文件路径为：C:\Windows\System32\drivers\etc

 如果遇到权限问题，可将hosts文件先复制出来修改后再覆盖原来的即可。

 Linux和mac的hosts文件路径为：/etc

 

2.打开PyCharm，选择 Activate code（用激活码激活）

3.在复制下载激活码，填入激活码框

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4.点击 OK 进行认证，目前这个激活码有效期为：2018年10月14日

5.如果出现以下弹框，这说明你没有修改hosts文件，或说没生效

亲测有效的，如果失效请在下面留言，我会为大家寻找新的方法。

更新：

• 2018.01.19 原链接针对2017.3.3版本失效，现已更新，感谢网友 afgasdg
• 2018.01.31 有部分同学反映老版本（2016.2.3）出现：cannot obtain ticket from https://jetlicense.nss.im/ due to connectivity problem:java.security.cert.CertificateException错误，遇到这样的问题解决方案是：步骤与原文不变只是第2步填入：http://idea.liyang.io，感谢网友  wubian2008
• 2018.02.03 网友反映从今天起原激活服务器https://jetlicense.nss.im/已失效，目前已经po了新的激活方式，只是比原来多了第一步修改hosts文件。
• 2018.02.05 原方法（http://50.112.79.106:81）导致很多同学验证失败，最新方法稳定有效，感谢网友 ciel_32shire

另外推荐一篇介绍pycharm的文章：http://blog.csdn.net/inter_peng/article/details/53218337