Strategy developers listed at METAQUOTES have released or upgraded their own strategies. If you have purchased the appropriate strategy, you can install or upgrade it according to the following procedure. (The evidence below is from Payment Support PRO.)
Log in as 0, metaquotes user.
1. Check the updated contents from What's new on the product page.
2. After launching MT4, click “Market” → “Purchased” to display the purchased products, then press the “Install” button.
3. Enter the password to activate.
4. Double click on Expert Advisers → Merket → Product name of Navigator of MT4.
5. Confirm that it has been updated.