一、安装说明
下载链接（无需密码）：https://www.123pan.com/s/c6cA-NJkw3
选择文件IntelliJ_IDEA-for-intel_2021.3_(最低10.8)__macwk.com.dmg进行下载并安装。
破解jar的下载地址：https://macwk.lanzouo.com/i8eElxh573a，得到文件Jetbrains.zip，它是适用于整个jetbrains下的所有产品。
二、破解过程
1、准备工作
将Jetbrains.zip解压缩，得到fineagent.jar，把它拷贝至你的根目录，/Users/{用户名}，如果你的用户名是zhangsan, 那么就是/Users/zhangsan/
在“应用程序”列表，选中IntelliJ IDEA.app，右键“显示包内容”
进入目录~/Contents/bin/, 修改配置文件的内容idea.vmoptions，增加破解jar（fineagent.jar）所在的路径-javaagent:/Users/zhangsan/fineagent.jar。
2、激活
选择Activation Code方式，复制下面的的激活码粘贴到激活窗口的输入框中，点击 Activate。可以用到 2099 年！
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三、可能会遇到的问题
新系统的macOS无法安装第三方软件，解决方案参照：mac升级新系统后安装应用提示已损坏的解决方法