Cannot log in to MQL5 account from MetaTrader 4

Hello,

I signed up using Google, and I do not know which password I should use in MetaTrader 4.

I have tried several times, but the login does not work.

Could someone please explain how to set or reset my MQL5 password so I can log in from MetaTrader 4 and install indicators from the MQL5 Market?

Thank you for your help.