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