Tap “Turn On” on the confirmation prompt.Under the “Advanced” section, locate and tap on “Apps from Unknown Sources.” You may see a warning message however, enabling this option is necessary to install Roblox.Scroll down and select “Security & Privacy.”.You can access it by swiping down from the top of the screen and tapping on the gear icon. Go to the Settings menu on your Fire tablet.However, since Roblox is not available on the Appstore, we need to enable this option manually. By default, Fire tablets only allow installation from the Amazon Appstore. The first step to downloading Roblox on your Fire tablet is to enable the option to install apps from unknown sources. So, grab your Fire tablet, follow along, and let’s get started! However, you can still enjoy the game by following the steps outlined in this guide. Before we begin, it’s important to note that Roblox is not available on the Amazon Appstore for Fire tablets.