Step 1: Open Chrome on your respective device.
Step 2: Click the top right corner option, to view that extended pop-up menu. And select "Settings".
Step 3: Click on the “Sync” option, to turn off the syncing of your bookmarks, history, and passwords.
Step 4: After turning off the sync, click on your profile and select the option “Sign out and turn off sync”.
For More Details Click Below