When we publish an update you get an in-portal notification and (optionally) an email.
1. Download the new zip from Downloads in your portal.
2. In MT5, remove the EA from the chart.
3. Replace the old .ex5 in MQL5/Experts with the new file.
4. Right-click Expert Advisors > Refresh in the Navigator.
5. Re-attach to the chart — your input settings can be saved beforehand via right-click > *Expert Advisors* > *Properties* > Save and reloaded with Load.
Each version's changelog is shown in the portal under Updates. Your license covers all updates released during your license term.