Choose the internet browser that you will use for the third-party stores.Find and select the Apps & notifications menu.Install from Unknown Sources in Android 8.0 Oreo
Tap the toggle switch next to Allow from this source.Tap on the application that you’ll use to download the files.Scroll down and tap on Biometrics and security.Swipe down from the top of your screen and tap on the Settings cog.Install from Unknown Sources in Android 10
