Try "researchers"

    Ex4 To Mq4 V4 0 224 1 Decompiler Repack -

    Most developers will provide the MQ4 source for a fee (typically 50–200% of the original price). This is faster, legal, and safer.

    Decompilation is a controversial practice in the trading community: Ex4-to-mq4-decompiler-4.0.392.1 - Facebook ex4 to mq4 v4 0 224 1 decompiler repack

    The keyword specifies "v4 0 224 1" for a reason. Modern builds (600–1400) use . Decompilers for these builds are largely scams. Most developers will provide the MQ4 source for