How to change User-Agent in Chrome, Opera, Firefox and Safari
Change Your User Agent In Opera (@youtube, @YTCreators)
Changing Your User Agent In Opera on a Site by Site basis
How to change the User-Agent in popular browsers
Change browser User Agent (Firefox,Chrome,IE,Opera,android,IOS...)
Change User Agent (Firefox)
Change User Agent (Safari)
How to Change Your Browser’s User Agent Without Installing Any Extensions
Как изменить User Agent в браузере Opera
How to change User Agent in mozilla firefox Tutorial video
How to Change Your Browser's User Agent on a Mac:
How to Change UserAgent On Google Chrome
Opera Browser tutorial
User-Agent Switcher and Manager - Browser Extension Review
Change USER AGENT in Mozilla Firefox browser
Change User Agent in Firefox, Chrome, and IE11
How to change Google Chrome User-Agent (UA)
UserAgent Switcher, How to Use It
Get User Agent info