Best parts of it Loads fast Does not take up much power when it comes to loading the computer Many options to change how things look or run Hardly ever crashes Semi good security behind it Many people made software to run on it A big reason so many people liked XP compared to newer or older versions of the operation system was it would load fast most of the time even if you put it under heavy pressure such as a lot of software running or a lot of tabs on the internet browser . A lot of older videogames would run on it without many problems since it was well equipped to handle it without you having to change over how the computer works or be forced to use emulator as much for why it became very popular even today to allow older videogames to run on the computer for why some people keep these computers purely for retrogame play or other purposes. https://www.theengineer.info/2023/05/cobol-code.html Some government bodies actually still run XP the reason for why so many people can work