Microsoft no longer supports Windows XP. This means there will be no official security updates or support after April 2014.
While such a customized ISO can breathe new life into older PCs and provide a more secure and compatible environment for Windows XP, there are a few considerations: taringa iso xp sp3 original sata updates 2013 better
To understand why this specific ISO was "better" than the official disc you bought at a store, you have to remember the hardware landscape of 2013. Microsoft no longer supports Windows XP