firefox addon

Install Unfriend Checker Firefox Addon for Facebook:

Steps to install this addon:

1. Download and unzip Unfriend Checker Firefox Addon archive (Click here to download)
1. Open Firefox menu
2. Click Add-ons or use CTRL+SHIFT+A or type in browser address bar about:addons
3. Select from Settings icon Install Add-on From File…
4. Load Unfriend Checker Firefox Addon xpi file.