It took a minute (and I don’t mean a New York minute, more like a country minute) but you can finally update the firmware on Sony’s DualSense controller using just a PC. Up until this point, you had to own a PlayStation 5 console to applying controller updates, and that was major bummer for anyone who purchased the DualSense solely for PC

Source: Hot Hardware – Here’s How To Update Sony’s Awesome PS5 DualSense Controller On Your PC