How to add script in Chrome/Firefox/Opera browsers for mturk.com

How to add script in Chrome/Firefox/Opera browsers for mturk.com

How to add script in Chrome/Firefox/Opera browsers for mturk.com
Add tampermonkey extension for chrome
Add greasemonkey extension for Firefox
Add violentmonkey extension for Opera
go to www.userscript.org
search mturk
click on desired script< Install< add
now you can see the script actions in mturk.com