No antivirus required for chrome books it’s true.
But, if you get one of those pesky false warning that a virus has been detected by somewhere you’ve surfed.
Clearing your browser history generally helps to lose it, from re-appearing.
Have learned that after repairing a few for people who insisted it must be true.
To add an app or extension to the chrome book go to- Chrome Webstore.
https://www.google.com/search?q=add+programs+to+chromebook&rlz=1CDGOYI_enUS738US739&oq=add+programs+...
Best I can offer on an apple and can’t easily recall chromebook.
Froze
And yes, after long days/nights, I'd still like to swing these hunks of glass , plastic and silicon against the nearest wall Come on retirement!