

Contact the author of the add-on at the support site listed on its add-on page.For more information, see Firefox Add-ons. For many extensions, there are similar extensions that provide the same functionality. The Firefox Add-ons website usually has the most up to date version of each add-on. Find a version of the add-on that is compatible with your version of Firefox.For more information, see Update Firefox to the latest release. Update to the latest version of Firefox.If your version of Firefox is incompatible with the add-on, you can: If your installed version of Firefox does not fit within that range, installing the add-on results in an error, indicating that the add-on is not compatible. In the Firefox Add-ons area of Mozilla, you can review version compatibility information on the page for each available extension.
#Waterfox extensions install
6 Nothing happens when you click the install linkĪn internal file in each add-on indicates the range of Firefox versions with which the extension is compatible.5 You are asked to download the add-on, rather than installing it.4 Firefox prevented the site from asking you to install software.3 Add-on has a high risk of causing stability or security problems and can't be installed.2 Firefox has prevented this site from installing an unverified add-on.
