Currently what is the most popular windows operating system. Windows 8.1 is the most popular one. There are huge number of users use that operating system and lot of people use trial one. They haven't money purchase licence. There is good solution for who have not money to purchase licence. It is called windows 8.1 activator. It is totally free and very easy process to update your windows. Update your windows using this activator and use your windows as licence one.
