1) Copy all three files into "C:\Program Files\MetaTrader 4\experts\indicators\" 

	"LRMA.ex4"
	"Stochastic.ex4"
	"TrendReversal_v21.ex4" 


2) close metatrader and reopen it.


NOTE:
where folder "MetaTrader 4" - can be different depend on your broker.

	For example for for Alpari full path is "C:\Program Files\MetaTrader - Alpari UK".

	For FXCM - "C:\Program Files\FXCM MT4 powered by BT"