After purchase
Sign in to the same MQL5 account in MetaTrader 5 and install the purchased product from the Market. The purchased license and available activations are associated with your MQL5 account.
Demo before purchase
The Market demo of an Expert Advisor runs in the MetaTrader 5 Strategy Tester, not on a live chart. Check the current product page for availability and instructions.
Support
For an ONYX product question, use product comments or MQL5 messages. For purchase, activation or delivery-account issues, consult MQL5 support.