下面來說一下IntelliJ IDEA旗艦版註冊方法。

一、下載IntelliJ IDEA的Ultimate版本

二、啟動IntelliJ IDEA並註冊

方法一：啟動時註冊(適合首次啟動時)

首次執行啟動IntelliJ IDEA，會彈出註冊頁面，選擇註冊Activate，通過Activation code註冊碼註冊，如下圖： 
 
然後將註冊碼(見第三部分)貼上到上面註冊碼區域，點選ok即可。

方法二：啟動完之後再註冊

首次啟動時彈出註冊頁面，直接選擇試用免費版(Evaluate for free)開啟工具，如下圖： 
 
如果以前已經點選過試用，之後啟動不會再彈出上面的對話方塊。 


開啟IntelliJ IDEA工具後，點選工具欄上的Help–>Register…，如下：

在彈出的對話方塊裡選擇通過註冊碼方式註冊，如下圖：

將註冊碼(見第三部分)貼上到下面註冊碼區域，點選ok即可，右下角會出現成功提示，如下：

註冊碼

這是從網上生成的一個註冊碼，將下面的註冊碼直接複製貼上進去即可。 
註冊碼有效期為2016年11月24日至2017年11月23日。

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參考：http://blog.csdn.net/gnail_oug/article/details/53977118

啟用server：