We all have strong opinions about Windows XP on the XO laptop, and soon according to Laptop Mag, our greatest fears or hopes will be realized: Negroponte says that a Windows operating system is in the process of being fine-tuned on the XO as we speak. “Microsoft and OLPC are in discussion on how to release it, as well as how to announce,” he said. Negroponte added that the Windows operating system should be available on the XO in less than 60 days.