Firefox: https://addons.mozilla.org/firefox/search/?q=adblock

https://addons.mozilla.org/en-us/firefox/addon/bluhell-firewall

Internet Explorer: https://adblockplus.org/en/internet-explorer

Chrome: https://chrome.google.com/webstore/search-extensions/adblock

Safari: https://extensions.apple.com/?q=adblock

Opera: https://addons.opera.com/en/search/?query=adblock

Android: http://bit.ly/1ptZmIF

iPhone/iPad: http://www.adblockforios.com
https://itunes.apple.com/app/adblock-browser-for-idevices/id537774578