网上IntelliJ IDEA激活方式大多均已失效，目前常用激活方式为License Server 激活：
http://idea.imsxm.com/
NOTE:
上述激活方式差不多均已失效，请参考如下激活码激活
激活方式如下：
先将 0.0.0.0 account.jetbrains.com 0.0.0.0 www.jetbrains.com 添加到hosts文件中，然后使用下面的激活码进行激活！
激活码如下：
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如图所示激活码可以激活至2020年【http://idea.congm.in/】。
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【更新2019-5-20】
最新版【IDEA 2019.1.2】等激活方式:
1.使用上面的激活码
2.在hosts文件中注释掉 0.0.0.0 account.jetbrains.com 0.0.0.0 www.jetbrains.com
即可激活！！！
