Generally, updating your PS4 system software shouldn't require much work on your part. As long as your console is connected to the internet, you should see a prompt for each new update as they ...

Once the PS4 software update has been downloaded, your system will need to restart while it’s applied. Give it five minutes and your PS4 will be all updated and ready for you to keep on playing.

Initialize PS4. Deletes all user data and restores the PS4 to its original state. Initialize PS4 (Reinstall System Software). Deletes all user data and removes PS4 system software. Set HDCP Mode.

Alternatively, if you're having issues with the actual PS5 system software, you can choose to reinstall it. First, grab a USB drive that is 2GB or more and formatted to FAT32 or exFAT.

Select the option to “Initialize PS4 (Reinstall System Software),” and you’ll be set.

Select the Initialize PS4 (Reinstall System Software) option, and press X. Insert your USB drive with the update file and press OK. Once it finds the update, choose Next to install the PS4 ...