Coffee-Time is a simple browser extension for managing your alert while working. Get free up your mind with this.
To use Install Add-on From File in Add-on manager, send the user the signed add-on with the following instructions:
1.Save the add-on file to a suitable location on your computer.
2.In Firefox, open the Firefox menu Firefox browser menu button and click Add-ons.
3.From the settings cog, open Install Add-on From File:.