Trying to install indicator but can't see "Expert" or "Indicator" file

[winklevanrip]

Hello, 

I'm trying to install an Indicator in MT4 and can't locate the "Experts File/Indicator" file on my machine.  Any ideas? 

[honest_knave]

[William Roeder]

Data Structure in MetaTrader 4 Build 600 and Higher - MQL4 Articles