600USD upfront for only one EX4 decompilation? Appears like fraud for me. If will never work, they won't Supply you with a refund. This app is not a decompiler, it's just let you know to pay for and deliver the EX4 by means of e-mail. Squander of money. Some EA https://archermqrqp.blue-blogs.com/37494998/the-single-best-strategy-to-use-for-ex4-to-mq4-converter