answer
If you need to modify the transaction account password, you can modify it on the PC version and app version of MetaTrader 5.
The modification method of PC version is: log in to PC version MetaTrader 5 - tools - Options - server - change - enter the old password - enter the new password - click "OK" to finish.
The modification method of APP version is: log in to MetaTrader 5 of APP version - Set - click account - click "..." on the right after the account - select "change password" - change "master password" - enter the old password and new password respectively - click "change" in the upper right corner.
The simple way is that after logging in to the official website, there is a "change password" in the account management. After entering, enter a new password.