Samsung Galaxy S23‘s real potential is unlocked after unlocking its bootloader. Make sure you have backed up your data as unlocking it will delete all data stored on your S23. First, you need to enable developer options on S23. For that, go into Settings > About Phone -> Software Information -> Tap several times on Build Number to enable Developer Options.
Go back to Settings > Developer Options -> Tick OEM Unlocking ON and USB debugging ON. Now, you are ready for next step, where we will actually unlocking the bootloader of Samsung S23.
Power off your S23. Press volume Up AND Volume Down together and at the same time plug the phone into your PC (powered on) with USB cable. Now, you will get a warning message. Release the volume keys.
Long press volume UP until you see another warning message asking you to confirm you want to unlock the bootloader. Press volume up one more time to confirm and it will delete all data and unlock bootloader.
This will void the warranty as well but if it already out of it, you can install goodies like custom recovery such as TWRP and install 3rd party firmwares on it and enjoy latest features.