1. 下載破解補丁文件JetbrainsCrack-2.7-release-str.jar
鏈接:https://files.cnblogs.com/files/ziyuyuyu/JetbrainsCrack-2.7-release-str.zip
2.將補丁文件JetbrainsCrack-2.7-release-str.jar放在idea安裝包的/bin路徑下，如下圖
3.同在idea安裝包的/bin目錄下，對idea.exe.vmoptions和idea64.exe.vmoptions這兩個文件配置文件進行修改，在最后一行添加如下一條配置指令：
windows版：-javaagent:對應補丁包的路徑（如下圖：-javaagent:E:\Software\idea\IntelliJ IDEA 2018.1.2\bin\JetbrainsCrack-2.7-release-str.jar）
Mac版：-javaagent:../bin/JetbrainsCrack-2.7-release-str.jar
4.保存編輯后的文件，然后打開idea，進入激活窗口此時需要選擇 激活碼 的激活方式，並輸入如下激活碼進行激活：
JKHX300590-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-GvkOuUgCVPdyynFuSG+GNmcDZKp643apInM159fRXb69urSBIFyKO46umkRbl89lwr25SrAcl2TfRG1NMP/zPMRmGvd5VHiXDxa/xatzyPpkGf/czv0GeyuP/XhfX8332kXh9Dnowt3Z++IKUlkTjYInkpg09G9OHSwYcIcHAZ51CsqbrWIaemvDH3P9v+k6EUwwhgDZYA/TplavU/2d9J0EZg8kwzo/TK5P7Za09RFx91YBE558Ncl6VMgdhcwgF+oYHGEfs4Bez5xawJwagLymf3mLhq9acihxGnFsfqcyM/EeKDLKWOAveLQIk1NhtU7YR3fFC0EHEGwb04MavA==-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
5.激活成功，查看有效期，有效期至2099年
打開IDEA:help->About
參考文檔：https://www.jianshu.com/p/43c7ba238f99