How to install MetaMask on Firefox
- Visit https://metamask.io/
 - Click on "Download"
 - Hit "Install MetaMask for Firefox".
 - In the new window that opens, click on "Add to Firefox" 
 - On the pop up, click “Add” 
NOTE: Don't be alarmed by the fact that the Firefox plugin is listed as being published by "danfinlay, kumavis" -- they're a couple of the main minds behind MetaMask!
 - Once you have installed metamask you can follow the setup instruction that are given in the wallet.
 - After your wallet is setup you can return to jaquessermand.ch
 
After adding MetaMask Extension, you’ll return to your browser page. MetaMask will appear on your browser; click on it to open MetaMask.