一、下载安装idea，这里不做赘述。官网-https://www.jetbrains.com/idea/
二、安装完idea后，需要激活使用。这里需要先下载个工具包 ，下载网址http://idea.lanyus.com/
三、将下载好的JetbrainsIdesCrack-3.4-release-enc.jar 拷贝到 idea的安装目录下的bin文件夹中。
在bin文件夹里有个idea64.exe.vmoptions 的文件，用记事本或者其他编辑器打开，在末尾添加
-javaagent:G:Program FilesJetBrainsIntelliJ IDEA 2018.2.6inJetbrainsIdesCrack-3.4-release-enc.jar
保存。
四、启动idea,在激活页面 Activation code中复制粘贴以下内容
ThisCrackLicenseId-{
"licenseId":"ThisCrackLicenseId",
"licenseeName":"idea",
"assigneeName":"",
"assigneeEmail":"idea@163.com",
"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}
五、确定，成功。。。。
参考：https://blog.csdn.net/Newabcc/article/details/80601933