第一步：
下载并安装IntelliJ IDEA 2018.2.3
第二步：
下载破解所需要的jar包
链接：https://pan.baidu.com/s/12swzSFFF5OXyZLrxMGw-EA
提取码：2ucn
第三步：
把下载好的JetbrainsCrack-3.1-release-enc.jar包放到idea的安装目录下的bin文件夹中
第四步：
修改bin目录下的idea.exe.vmoptions以及idea64.exe.vmoptions文件，在最后添加-javaagent:加JetbrainsCrack-3.1-release-enc.jar包的全路径
第五步:
打开idea的主页面点击右下角的Configure选择Manage License...打开之后选择Activation code添加以下内容：
ThisCrackLicenseId-{
"licenseId":"ThisCrackLicenseId",
"licenseeName":"用户名",
"assigneeName":"",
"assigneeEmail":"邮箱信息",
"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}
---------------------
注意：上面这个虚线必须得加，否则会出现部分乱码现象
第六步:
重启idea，你就会发现你的idea过期时间变成了2100年