Find & erase your Google Search history When you search on Google with “Web & App Activity” on, Google saves activity like your search history to your Google Account. It helps Google improve your search results and suggestions. With My Activity, you can: Erase the search history saved to your Google Account. Change your search settings.

​https://support.google.com/websearch/answer/6096136?hl=en-AD&co=GENIE.Platform%3DDesktop