I love Windows XP. A lot. I’ve been a user since day one, and three of the four computers in my home are still running it beautifully. The fourth is a Mac. So it comes as delightful news to me to hear that Microsoft is again extending downgrade rights to XP, until – get this – the end of Windows 7′s life cycle. This means, simply put, that Windows XP will be alive and well in 2020. Initially, Microsoft had planned to axe downgrade rights six months after the release of Windows 7, later extending that plan to 18 months, which would have given users hungry for XP until next year to downgrade. But now? Now you’ll…