Open the Google app or website you are signed into
Click your profile picture in the top right
Select Sign out or Sign out of all accounts
If using Chrome, open Chrome
Click the three dots in the top right
Go to Settings
Under You and Google, click Turn off
Click Sign out and turn off sync
To remove the account from Chrome profile, click the profile icon
Select the profile with the Google account
Click the three dots or gear icon
Choose Remove or Delete
Confirm the removal
To remove saved Google account data from the browser, clear browsing data
Open Chrome Settings
Go to Privacy and security
Click Clear browsing data
Select Cookies and other site data and Cached images and files
Click Clear data
If the account is added to Windows or Mac system accounts, open system settings
Remove the Google account from Accounts or Internet Accounts
Restart the computer if needed