You will now be on the Flash settings page and see an option that reads Block sites from running Flash (recommended). Turn this switch to the ON position to unlock Flash in Chrome.Type the following in the address bar and press Enter: chrome: // settings / content / flash.Open a new tab in Google Chrome on your Mac.Unblock Adobe Flash Player in Chrome on macOS Here’s how to enable Flash in Chrome and other popular browsers on macOS. How to unblock Adobe Flash Player on your Macĭepending on the browser you use, you can go to the settings menu and activate an option to unblock Flash. Discover all the updated offers on Amazon.Unblocking Adobe Flash Player basically means allowing the player to be used in any web browser running on macOS. Browsers generally block Flash by default, but you can turn on an option in most of them to allow Flash to run. What does it mean to unblock Adobe Flash Player on a Mac? Do you want to access Adobe Flash content on your Mac? If so, the first thing you need to do is unlock Adobe Flash Player in macOS. The operating system blocks this player by default for security reasons and you need to manually enable it for use on browsers.