1.下载破解补丁（关键）。
破解补丁：JetbrainsIdesCrack-4.2-release.jar
百度云地址：https://pan.baidu.com/s/18ovphd7sm7oYXQb4CInaUg
提取码：cw2j
2.寻找到idea的安装目录，将下载下来的jar包放到bin目录下。
如：C:\Program Files\JetBrains\IntelliJ IDEA 2018.2.3\bin（该路径是之前默认安装的目录）
3.在bin目录下找到idea.exe.vmoptions和idea64.exe.vmoptions这两个文件，
4.打开文件，在末尾追加 -javaagent:C:\Program Files\JetBrains\IntelliJ IDEA 2018.2.3\bin\JetbrainsIdesCrack-4.2-release.jar（补丁文件的路径，启动idea的时候读取jar文件，这样才能起到破解的效果）
5.启动idea，选择activation code，在其中加入如下内容（请修改中文部分）：
ThisCrackLicenseId-{
"licenseId":"ThisCrackLicenseId",
"licenseeName":"你喜欢的人的名字",
"assigneeName":"",
"assigneeEmail":"那个人的邮箱",
"licenseRestriction":"For This Crack, Only Test! Please support genuine!!!",
"checkConcurrentUse":false,
"products":[
{"code":"II","paidUpTo":"2099-12-31"},
{"code":"DM","paidUpTo":"2099-12-31"},
{"code":"AC","paidUpTo":"2099-12-31"},
{"code":"RS0","paidUpTo":"2099-12-31"},
{"code":"WS","paidUpTo":"2099-12-31"},
{"code":"DPN","paidUpTo":"2099-12-31"},
{"code":"RC","paidUpTo":"2099-12-31"},
{"code":"PS","paidUpTo":"2099-12-31"},
{"code":"DC","paidUpTo":"2099-12-31"},
{"code":"RM","paidUpTo":"2099-12-31"},
{"code":"CL","paidUpTo":"2099-12-31"},
{"code":"PC","paidUpTo":"2099-12-31"}
],
"hash":"2911276/0",
"gracePeriodDays":7,
"autoProlongated":false}
6.你的idea启动完成，开始你的探索之旅。
来源：oschina
链接：https://my.oschina.net/u/4414230/blog/3479912