Step 1
Start by downloading the latest .xpi file from here.
Step 2
Open your Firefox browser. Depending on your browser settings, Firefox may prompt you to install the add-on automatically upon download completion. If the installation prompt appears, you can proceed with the installation directly from the prompt by clicking Add and skip to step 8.
Step 3
If the automatic prompt does not appear, navigate to about:addons to open the Add-ons Manager.
Step 4
Click on the gear icon (⚙️) to open the menu.
Step 5
Select Install Add-on From File... from the menu.
Step 6
A file dialog will open. Navigate to and select the downloaded .xpi file.
Step 7
A confirmation dialog will appear asking if you wish to install the add-on. Click Add to proceed.
Step 8
Optionally, if you wish to allow the extension to run in private browsing mode, find the extension in the list, click on the Details button, and then enable the Allow in Private Browsing checkbox. Congratulations! You've successfully installed the latest build of this extension in Firefox.