Is Steven Tine's Cookie Swap safe on Firefox 56.0.1
And how do I download the flexible bar on firefox 56.0.1
Additional System Details
- User Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:56.0) Gecko/20100101 Firefox/56.0
If that add-on is the only reason for you to keep using a very old Firefox version - would you please take a look at this thread :
Or maybe you'd like to give this add-on a try :
Also see :
If at all possible; would you please update to the latest Firefox version, which is 64.0.2 ......