You can update the PS5 controllers' firmware on Windows 11 and Windows 10 computers with an app from Sony. Due to the ongoing chip shortage and intense demand, many people don't have the luxury of owning a PS5 console. This new app is helpful for people who want to buy a dualsense to use as a controller.
TheFirmware updater for dualsense wireless controller can be downloaded here. Just like the process on the console, you'll need to connect the dualsense to your PC with ausb cable.
Sony has made improvements to how they can update the dualsense. A new feature on the PS5 allows you to manually update its firmware. If you own a PS5 or PC, this app may be useful in updating your dualsense.