1、下载ideaIU-2021.3应用包，点击finish

 2、先关闭idea窗口，等会激活了脚本再运行打开。

3、双击运行install-current-user.vbs，等待一会会提示运行成功。 

4、运行后，在文件中会多出一条配置

 5、打开运行idea,输入激活码，即可完美激活。（激活码也是有时效性，可以搜索网站获取最新激活码）

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注：自用激活记录下，文章可能也会发布不了。因上面涉及到激活脚本，不好上传，大致步骤就是这样，亲测是简单实用。