Forex Trend Manager Open Indicator:
A trend detecting indicator drawn in the form of a colored cloud.
Originally this indicator has been written in MQL4 and was first published in the Code Base at mql4.com on 06.11.2007.
Copy and paste the file into the MQL5 Indicators folder of the Metatrader 4 trading platform.
You can access this folder from the top menu as follows:
File > Open Data Folder > MQL5 > Indicators (paste here)