Facedown is not compatible with your version of Firefox
I have just installed Firefox on my Windows 10 pro computer. I have tried to install the AddOn: FaceDown but I get the following error message: This add-on is not compatible with your version of Firefox? Why cant I install Facedown?
I have just installed Firefox on my Windows 10 pro computer.
I have tried to install the AddOn: FaceDown but I get the following error message: This add-on is not compatible with your version of Firefox?
Why cant I install Facedown?
모든 댓글 (1)
Facedown is a legacy extension for the old Firefox 56.0 and earlier Releases. Last update from the extension author was June 12, 2015.