2) Download the 3.15 patch (239MB) - or whichever is the latest (create a folder named "PS4". Inside that folder, create another folder named "UPDATE". Save the file with the file name "PS4UPDATE.PUP"). |--| 3) Scroll down to the bottom of the page and expand the "Perform a new installation of the system software" section. 4) Click 'download' (790MB). 5) Put them in the appropriate folders etc. Check for newer versions of the download files. Amazon HDD:.