This is an updated thread replacing the previous ones that have been archived. MX 6 only functions on Windows 7 or later. At present (November 2022) it is not possible to change the User Agent in MX 6 using the traditional internal UA modifier/selector so you have to use extensions from the chrome store. These extensions only function on one selected tab or for a browser session. https://chrome.google.com/webstore/search/user agent?_category=extensions. The choice is yours. T