You need Firefox browser to continue to Step 2. If you don't have firefox, you can download it here.
Install Greasemonkey addon.
If you already have Greasemonkey, you can skip to Step 3.
note: You need to restart your firefox after installing greasemonkey.
So, restart your browser before proceeding to Step 3.
Go to here and click install at the upper right hand corner.
A pop-up will tell you that the script had been installed.
Enable greasemonkey and you're good to go!