Idea版本:2018.1.5
准备工作：
1、安装，从官网下载安装，点击进去之后，进行选择需要的版本
2、下载破解包：
链接：https://pan.baidu.com/s/1lCb0MGetP1_3XlI2-gWMbQ
提取码：hfqm
3、激活码：
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1、将下载的jar包复制到idea的安装目录的bin目录下
2、在bin目录下找到两个文件，分别是：
idea.exe.vmoptions
idea64.exe.vmoptions
然后以记事本的方式打开，在里面配置两行，两个文件都要配置：
-javaagent:刚刚山复制的jar包所在的路径，比如我的路径是：
D:\softerInstall\utils\IDEA\IntelliJ IDEA 2018.1.5\bin\JetbrainsCrack-2.8-release-enc.jar
然后分别保存文件并关闭
3、打开idea，选择active code 复制上面的激活码
4、点击ok，进入之后，点击help->about
有效期截止到2099年，那应该是没有问题了
来源：oschina
链接：https://my.oschina.net/u/4400622/blog/4267918