Firefox extension is downloading
Your download will begin automatically within a few seconds. If not, please download the extension from its alternate location (AgileBits server, hosted on Amazon EC2).
Installing the Extension
Click Allow when you see a window like this.
If Firefox downloads the file instead, choose to open it with Firefox or open it manually with File > Open File… in the Firefox menu bar.
Click Install Now to install 1Password when Firefox gives you this prompt:
Firefox will inform you the extension was installed successfully, and 1Password's button will now appear in Firefox's toolbar: