If you are updating the firmware for the first time, you will need to install the application on your Windows computer. The next time you need to update the firmware, start with step 3.
1. Download [Firmware Updater for DualSense Wireless Controllers] and save it to your desktop or other location.
2. Run the installation file and follow the on-screen instructions to install the application. During the installation process, you may see a request to download additional software required to use [Firmware Updater for DualSense Wireless Controllers]. To download the software, follow the on-screen instructions.
3. Launch [Firmware Updater for DualSense Wireless Controllers].
4. Connect the controller to your Windows computer using the USB cable and follow the on-screen instructions to start the update. Do not turn off your Windows computer or disconnect the USB cable during the update process. When the update is complete, a message will be displayed. Select [OK] to end the update process.