How to Change Gmail Account Password
To change your Gmail password, follow these steps:
Step 1: Click to your display name in your Gmail’s navigation bar. Then click to Privacy.
Step 2: Click to Security tab
Step 3: In Security, click to Change password button
Step 4: Enter your current password and new password in the same blank, then click Change Password button
For more safety, I recommend you use the 2-step verification feature, read more at 4 ways to secure your Google account.
DONE!