Press Forgot password in the log in screen.
If you are signed in, go to your profile, then select the menu at the top corner, press settings, and click log out. In the log in screen, press Forgot password and follow the instructions.
Press Forgot password in the log in screen.
If you are signed in, go to your profile, then select the menu at the top corner, press settings, and click log out. In the log in screen, press Forgot password and follow the instructions.