Go to this place to download the IntelliJ IDEA registration code: http://idea.lanyus.com/
This is the jar package: JetbrainsCrack-2.6.10-release-enc.jar
Then put the jar package in the bin directory, in the bin directory, in the bin directory after your idea is installed,
and then in the bin directory (the bin directory where IDEA is installed), find these two: idea.exe.vmoptions, idea64.exe.vmoptions, Notepad opens
Add such a paragraph at the end (that is the path of this jar package, here is my path): -javaagent:D:\IDEA\bin\JetbrainsCrack-2.6.10-release-enc.jar 
Then restart the idea; Activation code
Then copy this paragraph
ThisCrackLicenseId-{
"licenseId":"ThisCrackLicenseId",
"licenseeName":"用户名开心就好",
"assigneeName":"", "assigneeEmail":"一个邮箱.163", "licenseRestriction":"For This Crack, Only Test! Please support genuine!!!", "checkConcurrentUse":false, "products":[ {"code":"II","paidUpTo":"2099-12-31"}, {"code":"DM","paidUpTo":"2099-12-31"}, {"code":"AC","paidUpTo":"2099-12-31"}, {"code":"RS0","paidUpTo":"2099-12-31"}, {"code":"WS","paidUpTo":"2099-12-31"}, {"code":"DPN","paidUpTo":"2099-12-31"}, {"code":"RC","paidUpTo":"2099-12-31"}, {"code":"PS","paidUpTo":"2099-12-31"}, {"code":"DC","paidUpTo":"2099-12-31"}, {"code":"RM","paidUpTo":"2099-12-31"}, {"code":"CL","paidUpTo":"2099-12-31"}, {"code":"PC","paidUpTo":"2099-12-31"} ], "hash":"2911276/0", "gracePeriodDays":7, "autoProlongated":false}