How to enable unknown sources on SAMSUNG Galaxy S21?

Unknown Sources SAMSUNG Galaxy S21

1. Swipe up to open the main menu where find the Settings app.
2. Move to the Apps chapter where tap on the three dots icon.
3. Choose the Special access part and there, select the Install unknown apps.
4. From the appearing list pick the application that you want.
5. Finally, push the switcher to enable the permissions.
6. Excellent work!