1. Set an environment variable called CMDER_ROOT to your root Cmder folder (in my case C:\Program Files (x86)\Cmder). It seems to be important that this does not have quotes around it because they mess with concatenation in the init script.
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  2. In your IntelliJ terminal settings, use cmd.exe /k ""%CMDER_ROOT%\vendor\init.bat"" as the Shell path. The double-double-quotes are intentional, as they counteract the missing double quotes in the environment variable.
    image
  3. Et voilà!
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    Unfortunately the lambda symbol is not supported in IntelliJ yet, but everything else seems to be working fine.
source : https://github.com/cmderdev/cmder/issues/282