Can't install automatically signed unlisted addon

Question

I have developed a Firefox extension that is unlisted because it will only be used internally amongst the family members. After submitting it to addons.mozilla.org, it passed the validation and was signed (status: Preliminary Reviewed). However, when I go to Manage Status and Version page and I click on my addon (.xpi), Firefox tries to install it, but refuses to with the following message:

Firefox has prevented this site from installing unverified addon.

Are there any other necessary steps to take in order to be able to install my newly created addon without messing around in about:config?

Thanks

Answer 1

You have to sign into your addons.mozilla.org account that you uploaded the addon from. Then you download the xpi from the link that got email to you automatically by AMO. You then install (and distribute to your users) that downloaded XPI.