请尝试以下方式激活（2020.1.6更新）

idea激活码（亲测 idea 2019.3可用）有效期到2021年3月：

QYYBAC9D3J-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-I7c5mu4hUCMxcldrwZEJMaT+qkrzrF1bjJi0i5QHcrRxk2LO0jqzUe2fBOUR4L+x+7n6kCwAoBBODm9wXst8dWLXdq179EtjU3rfJENr1wXGgtef//FNow+Id5iRufJ4W+p+3s5959GSFibl35YtbELELuCUH2IbCRly0PUBjitgA0r2y+9jV5YD/dmrd/p4C87MccC74NxtQfRdeUEGx87vnhsqTFH/sP4C2VljSo/F/Ft9JqsSlGfwSKjzU8BreYt1QleosdMnMK7a+fkfxh7n5zg4DskdVlNbfe6jvYgMVE16DMXd6F1Zhwq+lrmewJA2jPToc+H5304rcJfa9w==-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

激活码：idea 2018.3.3 （2020.1.9后可能失效）：

CATF44LT7C-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-BZLL+H88k449OQC56NsqU0fwb6wMAX1Di+CK5HS46DuOD1E68HPiTqREdn8DzrLVAoMkJReaH30RaIDLwUI8GEFifDcCYE5RbpE5ApNJ8mcUJr8oA1nrjY9IzZCgrSBFr4GAOLqSfXH+1UJ3K8UPqGh8nThomnKW9Jvv9pA7HIH/KrNm2RLV/aNMHWO8Q44A8ToXm7g5FS2lW903URPQ0KFgxT11w/KL81UkHm6yUXC7/LTAygIBArI8j+XUk3rlz4rpi2wrJclYXukrKQqH/V6CTbnVV3d6XAdtCqjryQ2Ga7bP/XTLjwAGwPEB3Q1W7LHNQ7CsyvZG/oTSOgD2YQ==-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

idea 2018.3.2 和2019.1.2 破解

https://www.codetd.com/en/article/8432125

idea 2019.3 破解补丁和激活码（一起使用），可破解至2089年！

1.安装2019.3版的idea

2.将破解补丁放在idea安装目录的bin下面（我的是C盘）

破解补丁和激活码链接，补丁提供两份，激活码提供三份：

链接：https://pan.baidu.com/s/1dPnomimQyLfeCSS-HOp5mw
提取码：5do4

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3.配置路径

加上这行：

-javaagent:C:\Program Files\JetBrains\IntelliJ IDEA 2019.3\bin\jetbrains_agent_1.jar

4.重启填入激活码：

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搞定！

比较牛逼的方式：通过开源项目免费申请 IntelliJ IDEA license（激活码）

链接：https://www.cnblogs.com/linliquan/p/12317606.html

idea各版本激活码：

来自评论区网友提供的链接（2020年6月5日更新）：http://idea.ibyte.vip/