In the official website https://www.jetbrains.com/ download the zip version of the decompression edition
Extraction is completed, the first not to open the application.
In the lib directory and modify the file copy into the JetbrainsIdesCrack.jar unzip directory under the bin
idea64.exe.vmoptions file add:
-javaagent:D:\idea_app\IntelliJ IDEA 2019.3\lib\JetbrainsIdesCrack.jar
In the open application idea, while generating at https://zhile.io/custom/license free registration code:
ActivationCode, input comes on ok.