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To keep your browsing fast and secure, Firefox does not run plugins like Adobe Flash by default. Learn how to activate plugins on websites.

[[T:PluginSupportEOL]] To keep your browsing experience fast, reliable and secure, Firefox will not activate [https://wikipedia.org/wiki/NPAPI#Plugins NPAPI plugins] such as Adobe Flash by default. Instead, Firefox lets you choose whether or not to allow the plugin to run on a website. =How click to activate works= If Firefox blocks a plugin, rather than seeing content, you'll see a message prompting you to click to run the plugin, such as Adobe Flash. ;[[Image:activate_flash_58]] On some sites, you'll see just a blank rectangle, and the plugin notification icon will appear toward the left end of the address bar. ;{for not fx69}[[Image:Fx58AllowFlashOptions]]{/for}{for fx69}[[Image:Firefox 69 Plugin Activation Choices - Flash]]{/for} If you click the message or the notification icon to activate the plugin, Firefox will prompt you with these options: *'''Allow''': Activates the plugin on the website, only for a single visit.{for not fx69} To automatically activate the plugin for all future visits to that site, check the '''Remember this decision''' checkbox.{/for} *'''Don't Allow''': Dismisses the notification prompt without activating the plugin. If you click to activate and allow the plugin, the missing content will load normally. (If it doesn't, click the reload [[Image:FxReloadButton]] button in the toolbar to reload the page and try again.) =When is it okay to activate a plugin?= In a situation like this, you can make a smart choice depending on your current task: *'''If you're using a trusted site''' like a special site for your work or school, you might feel safe enough to enable a plugin in order to view the site's content. *'''If you don't fully trust a site''', for example, you arrived at the site by following a link, you probably '''do not''' want to activate the plugin. =Can I set a plugin to always activate?= {for not fx69} {warning}Setting [https://wikipedia.org/wiki/NPAPI#Plugins NPAPI plugins] such as Adobe Flash to always activate is not recommended.{/warning} To set Firefox to always activate a plugin:<br> [[T:Open Add-ons|type=Plugins]] Find the plugin and{for fx68} click the ellipsis (3-dot) icon, then {/for} select {button Always Activate} from the drop-down menu. This will activate the plugin automatically and you will no longer get messages to run the plugin. {/for} {note}The setting to always activate the Adobe Flash plugin was removed in [[Find what version of Firefox you are using|Firefox version]] 69. See [https://www.fxsitecompat.dev/en-CA/docs/2019/flash-player-can-no-longer-always-be-activated/ this compatibility document] for details.{/note}