How do i stop popup ads on chrome book?

To stop popup ads on your Chromebook, open Chrome and click on the three vertical dots in the top right corner, then select "Settings." Under the "Privacy and security" section, click on "Site settings," and then find the "Pop-ups and redirects" option to block popups. Additionally, consider enabling the "Ads" option to block intrusive ads. For further protection, you might want to install an ad blocker extension from the Chrome Web Store.