Most traders look for these tools to recover lost source code or study an Expert Advisor (EA). However, the technology behind them has reached a dead end for current MetaTrader 4 (MT4) builds. Version 4.0.5 is Outdated
: Because the official tool required a license key, a secondary market of "full version" cracks and shared versions (like 4.0.509.5) flooded forums and file-sharing sites. The Great MetaTrader Update The story reached a turning point in February 2013 with the release of MetaTrader 4 Build 600 Ex4 To Mq4 V4 Decompiler Version 4.0 5 Full Version