what is software quality?

it is a subjective question mean every one define quality according to their own perspective but in simple words software quality can be defined is the totality of the desire features of a product with how ease it is to use these features and with certain level of performance that the user expect from the product while interacting with the product under certain environment for a certain period of time. software quality can also be defined is a software product that have minimum numbers of defects and which satisfy user needs. Note: As practically we can't expect software with zero defects so i have used the word minimum defects in the above line.