Once you have checked that your hacker won’t be notified of you changing your password you will need to actually change your password.
To change your password on your Google account at any time:
Step 1: Go to your profile picture (on the top right of the screen.
Step 2: Then select My Account.
Step 3: Click on Sign-in and Security in the first box you see.
Step 4: Scroll down the page until you see the password section on the right side of the page. Choose Password.
Figure 18 Go to My Account
Step 5: Login to your Google account with your current password when you are prompted.
Step 6: Type in your password in the first box and again in the second and then click on Choose Password.
Your password is now changed.