一、安裝
1、下載IDEA
2、雙擊.exe文件，顯示如圖，點擊next
3、選擇安裝位置，點擊next
4、勾選相應操作系統位數、安裝插件，點擊next
5、接下來就是選擇我們的菜單，然后點擊install安裝就會進入安裝過程
6、安裝完成后，會出現下圖finish結束按鈕，上面的選項是問我們是否現在打開IDEA
注：
JDK安裝步驟參考如下網址：
https://www.cnblogs.com/Michelle20180227/p/10564215.html
二、激活
方法一：使用激活服務器激活方法
步驟
1、打開注冊/激活窗口；
2、選擇 License server；
3、填入上述其中一個網址（如：http://idea.java.sx）；
4、點擊Activate即可完美激活!
方法二：注冊碼激活方法（建議用這種）
1、進入hosts文件中：C:\Windows\System32\drivers\etc\hosts
2、將“0.0.0.0 account.jetbrains.com”添加到hosts文件中
注意：添加只有重新打開hosts文件進行確認之后在進行下一步操作。
修改成功后如圖所示：
注：將這條數據加入之后會提示保存，然后確認之后，重新打開hosts文件確認是否添加成功，有時候會提示確認兩次。
4、點擊獲得注冊碼即可獲得IDEA激活碼。
激活碼（可以百度搜很多的）：
MNQ043JMTU-eyJsaWNlbnNlSWQiOiJNTlEwNDNKTVRVIiwibGljZW5zZWVOYW1lIjoiR1VPIEJJTiIsImFzc2lnbmVlTmFtZSI6IiIsImFzc2lnbmVlRW1haWwiOiIiLCJsaWNlbnNlUmVzdHJpY3Rpb24iOiIiLCJjaGVja0NvbmN1cnJlbnRVc2UiOmZhbHNlLCJwcm9kdWN0cyI6W3siY29kZSI6IklJIiwiZmFsbGJhY2tEYXRlIjoiMjAxOS0wNC0wNSIsInBhaWRVcFRvIjoiMjAyMC0wNC0wNCJ9XSwiaGFzaCI6IjEyNjIxNDIwLzBwIiwiZ3JhY2VQZXJpb2REYXlzIjo3LCJhdXRvUHJvbG9uZ2F0ZWQiOnRydWUsImlzQXV0b1Byb2xvbmdhdGVkIjp0cnVlfQ==-Zmbxcn7NPlqBNqAURX0uiLzybnruyx6PG+6KYZrpzm/IJJs5nnIogGgdfIJoifO6fbaaJYc5pjds7CHdrt/neIpvF2o/HvIjMEF4/AhNV7HUGsAa9zpMszc6YBIkMmVFh4Y7GPKOStA14/Ld83AC7kGnwL1Fq7eAXKJFljc00GMejPpfE0zDqTN634bC+0ojfklhWXaLqhUt230SiE8onnd3quvEaH5NsW7sIQm2spyONZI+iHvHFtl4EvG7tlRlD1StsfhrbgNNxz61FOEEQ+GtZIzMx+T4sbpfoRyms7lbWQecrbAtE0c2sR98esm4PcDUhrFVBxGorPC1ppOLSQ==-
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
方法三：本地搭建激活服務器激活方法
1、下載IDEA本地服務器，點我下載(密碼jx0m)
2、解壓到本地硬盤任意位置，運行相應程序，32位操作系統請雙擊運行32位程序，64位操作系統請雙擊運行64位程序，如下圖：
3、運行結果如圖：
4、打開IDEA，在激活框內輸入上圖標示的網址即可。
注：在新版本IDEA2017.3中可能會出現無法激活的情況，此時將網址改為http://0.0.0.0:1017即可。
方法四：破解補丁激活方法
（1）破解補丁下載
點我下載(密碼jilt)
將下載的破解補丁放在你的安裝IDEA下面的bin的目錄下面（如圖），本文示例為E:\develop-tools\toolsInstall\idea\IntelliJ IDEA 2017.3.4\bin
（2）修改配置文件
在安裝的IDEA下面的bin目錄下面有2個文件 ： idea.exe.vmoptions和idea64.exe.vmoptions。
用記事本打開，在上述兩個文件的最后一行均加上下面這段代碼（紅色字體部分為你的IDEA安裝目錄）：
-javaagent:E:\develop-tools\toolsInstall\idea\IntelliJ IDEA 2017.3.4\bin\JetbrainsCrack-2.6.10-release-enc.jar
（3）輸入激活碼
啟動IDEA，第一次進入會提示激活，選擇Activation Code，並輸入如下激活碼：
Y9MXSIF79G-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-rI4et6OSKLA4gvOzxtyp48SCWtjwsOSQBJittaw6BOVJOwVBz0p31wBWDFSdIogdRPKquk2BAou7N694entEn4/Db3Ol5uotDtUd2MHuo+BBu9QcwIoX3RTrnYLwJfTlEJfRH/3TF3WtkPGQZQQcw/23hsZzdC/WJY6tmvyTijIBScUsvIOxZ+8REbWbkTQx1KliliFyrMua7hit8LThzfffZloHciaHwUP9BjxEjU0qQi+yFacSXjxEZERJT25hZrMN+bqBxcn59/4UJBrITt8YpLIlydt0+6vMSWAMawMzKpeDEDInKy0XomauTIUfxS4sbw/dSyVdSrh+IuOc7g==-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
（4）軟件啟動，進入Help，選擇About，頁面顯示December 31，2099到期，完成激活。