How to request a refund if a job is not completed?

 
How to request a refund if a job is not completed
 
What happened ?
 
Can I get a refund for a product which I purchased for $50 but I have not received any info or download file
 
2006773:
Can I get a refund for a product which I purchased for$50 but I have not received any info or download file

Where can I see my purchases? 
https://www.mql5.com/en/forum/9950/page70#comment_2564931  

How to Install an Earlier Purchased Application
https://www.metatrader5.com/en/terminal/help/market/market_buy

Reason: