如要添加EA，打开MT4平台，点击“文件（File）”并选择“打开数据文件夹（open data folder）”，接着选择“MQL4”，然后可以看到“expert advisors”或者“indicators”，您可以将需要的文件拷贝至这两个文件夹中。接着关闭并重新打开MT4，您将能在导航窗口中看见它们。

Choose ‘MQL4’, and then ‘expert advisors’ or ‘indicators’. You can then copy the file you want to add into this location. Close and reopen MT4, and you should see the item in the navigator window. If ...