1、进入官网下载：IntelliJ IDEA https://www.jetbrains.com/idea/download/#section=windows，选择适合版本下载；
2、运行”IntelliJ IDEA 2018.1.exe“ 开始安装，期间注意版本选择（32bit 64bit），idea安装完成后，先不要启动idea（将勾选的Run IntelliJ IDEA 去掉，点击finish）。
3、激活注册
（1）下载破解补丁JetbrainsCrack-x.x.x.jar 地址: http://idea.lanyus.com/
（2）将激活补丁(JetbrainsCrack-2.7-release-str.jar)放在idea安装包的bin目录下；
（3）并在此目录下找到两个文件（idea.exe.vmoptions，idea64.exe.vmoptions），用文本文具打开，最后一行，加入以下代码（windows版：-javaagent 后边是放置激活补丁包的路径）：
-javaagent:D:\IntelliJ IDEA 2018.1.2\bin\JetbrainsCrack-2.7-release-str.jar保存编辑。
（4）打开idea 进入激活窗口，选择进入active code 界面，输入激活码（Activation Code），点击ok。
激活码获取：http://idea.lanyus.com/
网友建议输入如下，未尝试。
ThisCrackLicenseId-{
"licenseId":"ThisCrackLicenseId",
"licenseeName":"你想要的用户名",
"assigneeName":"",
"assigneeEmail":"随便填一个邮箱(我填的:[email protected])",
"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}
