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wót lgriffin dnja Now. 18, 2018 · trajny wótkaz

This add-on is suppose to be 60 compatible! The web page has not been updated for 60,"Tools > Account Settings > Synchronization & Storage"", doesn't exist in 60. There does not seem to be any updated instruction for manually install add-ons in 60.

How do you install this add-on??