It is recommended to disable this setting once you have installed the necessary apps. Per-App Basis: In newer Android versions, you need to allow each app individually to install unknown sources.

Google replaced the allow from unknown sources setting with “install permissions” for each individual app. If you go to a website and download an app (also known as an APK) with Google Chrome ...

asking you for permission to install unknown apps from your file explorer app. Tap "Settings" on the prompt. On the next screen, turn on the toggle next to "Allow apps from this source." ...

To install an app from outside the Play Store, you'll need to download its APK file and allow installations from unknown sources. Third-party app stores are installed like any other app ...

As a result, the ability to install apps from unknown sources is blocked by ... choices — and toggle on the switch beside Allow from this source for each one. Step 7: For additional security ...

To install apps from unknown sources on newer versions of Android, you must authorize the source. When you tap the APK file, you will automatically be prompted to allow installation from an ...

Installing apps ... source applications, to demonstrate how this works. I downloaded the APK file from the website, then I tried to open it. I was told that I was not permitted to install unknown ...