Windows updating hack
Microsoft came up with Microsoft 10 ISO 64 –bit which can be set up using the following procedure.
When the installed version is old, it tells you what the latest version is for your browser/OS. The bad news is that it punts on the Chrome browser and IE on Windows 8.
The upside to being a guest user is that you always start with a virgin copy of the operating system.
When it comes to blocking Flash, however, this is also a downside.
As of Chrome OS version 46 (and probably earlier versions too), Google defaults to "Detect and run important plugin content".
At one point, I was viewing a single web page and the Chromebook was sluggish.