下载安装后需要license，网上搜索即可。如果使用中一直出现
This license is being used elsewhere on the network by RUSTYSUN-2 (192.168.10.85). Only one active computer at a time can use the license. Would you like to re-activate this computer? Click Yes to re-activate, or No to shutdown PhpStorm. 那么换个license吧，方法如下help-》register
原文：http://10431045.blog.51cto.com/10421045/1752269