I would not mess with it if it is working fine. Sometimes, stable Nvidia drivers are elusive for certain cards. Being "a year old" isn't really a valid reason in my book.  
my gpu is gtx 1660 super and my dell driver is from 1/21/2021 , the driver is a year old and was wondering should i just keep the dell driver or use nvidia new driver ?
Aurora R8, GTX 1660 Super driver