-
Visit github releases
-
Manage Your Extensions
->Tools for all add-ons
->Debug Add-ons
-
Load Tempoary Add-on...
-> Choose your local file:starmask-firefox-*.zip
Visit github releases
Manage Your Extensions
-> Tools for all add-ons
-> Debug Add-ons
Load Tempoary Add-on...
-> Choose your local file: starmask-firefox-*.zip