EX4 TO MQ4 DECOMPILER SOFTWARE FUNDAMENTALS EXPLAINED

I choose to convert the EX4 file to an editable MQ4 file And that i don’t provide the resource code. Guideline me on how am i able to convert with no resource file.In March 2014, the developer of the MetaTrader buying and selling terminal, MetaQuotes, produced MT4 Construct 600, where the ideology of compiling Pro Advisors, indicators and scripts