Garena allows you to change your password on the Account Settings page of the Garena Web portal, where you must use the Garena Authenticator app to verify your changes. If you can't remember your current Garena password, you can create a new password using both your email address and the Garena Authenticator as verification.
Visit the Garena website and sign in to your account. After signing in, point to My Account, and then click Account Settings.
Click Change next to Password.
Enter the six-digit code that shows up in the Garena Authenticator app on your mobile phone, and then click Verify; the code shows up as soon as you open the app. Click Send code via SMS instead if you want to receive the code as a text message.
Enter your current password into the Please enter your current password for security purpose field, and your new password into both the New Password and Re-enter Password fields. Click Apply to update your password.
Click the Forgot Password? link in the Garena login screen.
Enter your Garena username and password into the required fields and then click Reset.
Visit your email account and then click on the link within the You requested a new Garena password email message.
Enter your new password and six-digit code that shows up on the Garena Authenticator app and then click Reset.