Update using a disc. The following things are needed to perform the update: PlayStation ® 4 system A disc that contains an update file. When you play a disc that contains a later version of the system software, a screen appears to guide you through the update process. Follow the on-screen instructions to perform the update. Update using a computer. For the standard update procedure, follow the steps below. Visit here for the procedure to initialize your PS4™ system and perform a new installation of the system software, such as for when you replace the hard disk drive. The following things are needed to perform the update: PlayStation ® 4 system Computer connected to the Internet USB storage device, such as a USB* flash drive * There must be approximately 460 MB of free space. On the USB storage device, create folders for saving the update file. Using a computer, create a folder named "PS4". Inside that folder, create another folder named "UPDATE". Download the update file, and save it in the "UPDATE" folder you created in step 1. Save the file with the file name "PS4UPDATE.PUP". Click to start the download. Connect the USB storage device to your PS4™ system, and then from the function screen, select (Settings) > [System Software Update]. Follow the on-screen instructions to complete the update. If your PS4™ system does not recognize the update file, check that the folder names and file name are correct. Enter the folder names and file name in single-byte characters using uppercase letters. Perform a New Installation of the System Software. This procedure is for initializing your PS4™ system and performing a new installation of the system software, such as for when you replace the hard disk drive. Be careful when using an update file for reinstallation. All users and all data will be deleted. The following things are needed to perform the update: PlayStation ® 4 system Computer connected to the Internet USB storage device, such as a USB* flash drive * There must be approximately 1.1 GB of free space.