{"json_modified": "2016-06-11T04:15:25.443343", "uuid": "587d9c6f-8c80-4c6b-bf68-67606b215d9e", "title": "Installing extensions", "url": "/en-US/docs/Mozilla/Add-ons/Installing_extensions", "tags": ["Extensions", "Guide", "Add-ons", "add-ons", "guide"], "translations": [], "modified": "2016-06-11T04:15:25", "label": "Installing extensions", "localization_tags": [], "locale": "en-US", "id": 3481, "last_edit": "2016-06-11T04:15:21", "summary": "If you're putting together an installer that needs to be able to install extensions for a toolkit-based application, such as Firefox or anything using <a href=\"/en/XULRunner\" title=\"en/XULRunner\">XULRunner</a>, Gecko 1.9 (Firefox 3) introduces an easy way to do this for Windows, OS X and Linux. Windows users have also had the ability to <a href=\"/en/Adding_Extensions_using_the_Windows_Registry\" title=\"en/Adding_Extensions_using_the_Windows_Registry\">install extensions using the registry</a> for some time. Now, on OS X and Linux, you can simply copy the extension into a predefined directory on the user's computer.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Windows", "title": "Windows"}, {"id": "OS_X", "title": "OS X"}, {"id": "Linux", "title": "Linux"}, {"id": "Example", "title": "Example"}, {"id": "Disabling_install_locations", "title": "Disabling install locations"}, {"id": "Preventing_automatic_install_from_specific_locations", "title": "Preventing automatic install from specific locations"}, {"id": "Bundling_extensions_with_a_custom_Firefox", "title": "Bundling extensions with a custom Firefox"}], "slug": "Mozilla/Add-ons/Installing_extensions", "review_tags": ["technical"]}