How to Add A Custom Indicator in Meta Trader 5?

 
I've downloaded an indicator from a website and want to test it, however, i don't know how toinstall it in meta trader 5. The website is saying that i should paste indicator files in indicators folder and template files in templates, however, i am unable to find indicators folder? Anyone here can help me... Following image shows my list of folders in meta trader 5... Thanks. 
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